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Fernando Velayos, MD

Title(s)Clinical Professor, Medicine
SchoolSchool of Medicine
Address1701 Divisadero
San Francisco CA 94115
Phone415-502-4444
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    Collapse Biography 
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    University of California, San FranciscoM.D.1996 Medicine
    University of California, San Francisco Residency School of Medicine

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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Management of Recurrent Clostridioides Infection: A Difficile Problem in Inflammatory Bowel Disease Patients. Dig Dis Sci. 2020 Aug 04. Lam AY, Gutin LS, Nguyen Y, Velayos FS. PMID: 32749638.
      View in: PubMed   Mentions:    Fields:    
    2. Effectiveness of Switching from Reference Product Infliximab to Infliximab-Dyyb in Patients with Inflammatory Bowel Disease in an Integrated Healthcare System in the United States: A Retrospective, Propensity Score-Matched, Non-Inferiority Cohort Study. BioDrugs. 2020 Jun; 34(3):395-404. Ho SL, Niu F, Pola S, Velayos FS, Ning X, Hui RL. PMID: 32103457.
      View in: PubMed   Mentions:    Fields:    
    3. Correction to: Effectiveness of Switching from Reference Product Infliximab to Infliximab-Dyyb in Patients with Inflammatory Bowel Disease in an Integrated Healthcare System in the United States: A Retrospective, Propensity Score-Matched, Non-Inferiority Cohort Study. BioDrugs. 2020 06; 34(3):405. Ho SL, Niu F, Pola S, Velayos FS, Ning X, Hui RL. PMID: 32253718.
      View in: PubMed   Mentions:    Fields:    
    4. Going Viral: Management of IBD in the Era of the COVID-19 Pandemic. Dig Dis Sci. 2020 06; 65(6):1571-1575. Gutin LS, Lam AY, Velayos FS, Santos SA. PMID: 32363528.
      View in: PubMed   Mentions: 2     Fields:    Translation:HumansCellsPHPublic Health
    5. Elevating the Technique: Resecting Complex Dysplastic Lesions of the Colon in Patients with Inflammatory Bowel Disease. Dig Dis Sci. 2020 01; 65(1):78-81. Boparai ES, Velayos FS, Roy A, Li C, Alkoraishi AS, Munroe CA. PMID: 31705343.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    6. It's What's Up Front That Counts-Part One: Endoscopic Diagnosis and Therapy of Esophageal Crohn's Disease. Dig Dis Sci. 2019 11; 64(11):3100-3103. Alli-Akintade L, Hewitt J, Namiq A, Singh M, Nguyen Y, Keihanian S, Chang JT, Karsan S, Tesfay S, Velayos FS. PMID: 31529414.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    7. Improving the Quality of Inpatient Ulcerative Colitis Management: Promoting Evidence-Based Practice and Reducing Care Variation With an Inpatient Protocol. Inflamm Bowel Dis. 2019 10 18; 25(11):1822-1827. Lewin SM, McConnell RA, Patel R, Sharpton SR, Velayos F, Mahadevan U. PMID: 30980712.
      View in: PubMed   Mentions:    Fields:    Translation:HumansCells
    8. Biosimilars for the Treatment of Inflammatory Bowel Disease. Pract Gastroenterol. 2019 Apr; 43(4):84-91. Rudrapatna VA, Velayos F. PMID: 31435122.
      View in: PubMed   Mentions:
    9. Appropriate Therapeutic Drug Monitoring of Biologic Agents for Patients With Inflammatory Bowel Diseases. Clin Gastroenterol Hepatol. 2019 08; 17(9):1655-1668.e3. Papamichael K, Cheifetz AS, Melmed GY, Irving PM, Vande Casteele N, Kozuch PL, Raffals LE, Baidoo L, Bressler B, Devlin SM, Jones J, Kaplan GG, Sparrow MP, Velayos FS, Ullman T, Siegel CA. PMID: 30928454.
      View in: PubMed   Mentions: 2     Fields:    
    10. How Dye May Prevent Dying from Cancer: Perceiving Imperceptible Dysplasia in Inflammatory Bowel Disease. Dig Dis Sci. 2019 01; 64(1):52-55. Lewin SM, Wen KW, Velayos FS, Mahadevan U, Beck KR. PMID: 30523483.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    11. Introduction to the IBD Case Conference Series. Dig Dis Sci. 2019 01; 64(1):50-51. Velayos F. PMID: 30565011.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    12. Appropriateness of Combination Therapy for Patients With Inflammatory Bowel Diseases: One Size Still Does Not Fit All. Clin Gastroenterol Hepatol. 2018 11; 16(11):1829-1831. Melmed GY, Kaplan GG, Sparrow MP, Velayos FS, Baidoo L, Bressler B, Cheifetz AS, Devlin SM, Irving PM, Jones J, Kozuch PL, Raffals LE, Siegel CA. PMID: 29505910.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    13. Intestinal and Nonintestinal Cancer Risks for Patients with Crohn's Disease. Gastroenterol Clin North Am. 2017 09; 46(3):515-529. Garg SK, Velayos FS, Kisiel JB. PMID: 28838412.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    14. American Gastroenterological Association Institute Technical Review on the Management of Crohn's Disease After Surgical Resection. Gastroenterology. 2017 01; 152(1):277-295.e3. Regueiro M, Velayos F, Greer JB, Bougatsos C, Chou R, Sultan S, Singh S. PMID: 27840073.
      View in: PubMed   Mentions: 17     Fields:    Translation:Humans
    15. Changing Paradigms in Detection of Dysplasia and Management of Patients With Inflammatory Bowel Disease: Is Colectomy Still Necessary? Gastroenterology. 2017 Feb; 152(2):440-450.e1. Velayos F, Kathpalia P, Finlayson E. PMID: 27765687.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    16. Recommendations for Quality Colonoscopy Reporting for Patients with Inflammatory Bowel Disease: Results from a RAND Appropriateness Panel. Inflamm Bowel Dis. 2016 06; 22(6):1418-24. Devlin SM, Melmed GY, Irving PM, Rubin DT, Kornbluth A, Kozuch PL, Raffals LE, Velayos FS, Sparrow MP, Baidoo L, Bressler B, Cheifetz AS, Jones J, Kaplan GG, Siegel CA. PMID: 27057680.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    17. Appropriateness of Testing for Anti-Tumor Necrosis Factor Agent and Antibody Concentrations, and Interpretation of Results. Clin Gastroenterol Hepatol. 2016 09; 14(9):1302-9. Melmed GY, Irving PM, Jones J, Kaplan GG, Kozuch PL, Velayos FS, Baidoo L, Sparrow MP, Bressler B, Cheifetz AS, Devlin SM, Raffals LE, Vande Casteele N, Mould DR, Colombel JF, Dubinsky M, Sandborn WJ, Siegel CA. PMID: 27189916.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    18. A roadmap to the implementation of chromoendoscopy in inflammatory bowel disease colonoscopy surveillance practice. Gastrointest Endosc. 2016 Jan; 83(1):213-22. Sanduleanu S, Kaltenbach T, Barkun A, McCabe RP, Velayos F, Picco MF, Laine L, Soetikno R, McQuaid KR. PMID: 26364967.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    19. Effects of Concomitant Immunomodulator Therapy on Efficacy and Safety of Anti-Tumor Necrosis Factor Therapy for Crohn's Disease: A Meta-analysis of Placebo-controlled Trials. Clin Gastroenterol Hepatol. 2015 Dec; 13(13):2233-40.e1-2; quiz e177-8. Jones JL, Kaplan GG, Peyrin-Biroulet L, Baidoo L, Devlin S, Melmed GY, Tanyingoh D, Raffals L, Irving P, Kozuch P, Sparrow M, Velayos F, Bressler B, Cheifetz A, Colombel JF, Siegel CA. PMID: 26142167.
      View in: PubMed   Mentions: 21     Fields:    Translation:Humans
    20. Colorectal cancer screening and surveillance in the elderly: updates and controversies. Gut Liver. 2015 Mar; 9(2):143-51. Day LW, Velayos F. PMID: 25721001.
      View in: PubMed   Mentions: 10     Fields:    Translation:HumansPHPublic Health
    21. Colorectal cancer of the elderly. Curr Treat Options Gastroenterol. 2014 Sep; 12(3):269-82. Day LW, Velayos F. PMID: 24938590.
      View in: PubMed   Mentions:
    22. Quality bowel preparation for surveillance colonoscopy in patients with inflammatory bowel disease is a must. Gastrointest Endosc Clin N Am. 2014 Jul; 24(3):379-92. Nett A, Velayos F, McQuaid K. PMID: 24975529.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    23. Challenges in designing a national surveillance program for inflammatory bowel disease in the United States. Inflamm Bowel Dis. 2014 Feb; 20(2):398-415. Long MD, Hutfless S, Kappelman MD, Khalili H, Kaplan GG, Bernstein CN, Colombel JF, Gower-Rousseau C, Herrinton L, Velayos F, Loftus EV, Nguyen GC, Ananthakrishnan AN, Sonnenberg A, Chan A, Sandler RS, Atreja A, Shah SA, Rothman KJ, Leleiko NS, Bright R, Boffetta P, Myers KD, Sands BE. PMID: 24280882.
      View in: PubMed   Mentions: 9     Fields:    Translation:HumansPHPublic Health
    24. Colorectal cancer and the elderly. Clin Geriatr Med. 2014 Feb; 30(1):117-31. Day LW, Velayos F. PMID: 24267607.
      View in: PubMed   Mentions:    Fields:    Translation:HumansPHPublic Health
    25. On the question of ethnicity and its impact on IBD-related outcomes. Dig Dis Sci. 2014 Jan; 59(1):19-21. Hwang C, Velayos F. PMID: 24282056.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    26. Reply: To PMID 23357488. Clin Gastroenterol Hepatol. 2014 Feb; 12(2):346. Velayos F. PMID: 24216468.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    27. Racial and ethnic differences in health care utilization and outcomes among ulcerative colitis patients in an integrated health-care organization. Dig Dis Sci. 2014 Feb; 59(2):287-94. Li D, Collins B, Velayos FS, Liu L, Lewis JD, Allison JE, Flowers NT, Hutfless S, Abramson O, Herrinton LJ. PMID: 24173809.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    28. Avoiding rash decision making: skin cancer screening of patients with inflammatory bowel disease. Clin Gastroenterol Hepatol. 2014 Feb; 12(2):274-6. Siao D, Velayos F. PMID: 24183955.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    29. Serologic markers associated with development of Crohn's disease after ileal pouch anal anastomosis for ulcerative colitis. Dig Dis Sci. 2014 Jan; 59(1):135-45. Truta B, Li DX, Mahadevan U, Fisher ER, Chen YY, Grace K, Velayos F, Terdiman JP. PMID: 24091907.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    30. Looking forward to understanding and reducing colorectal cancer risk in inflammatory bowel disease. Gastroenterology. 2013 Jul; 145(1):47-49. Velayos FS, Ullman TA. PMID: 23727492.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    31. Systematic review: The role of race and socioeconomic factors on IBD healthcare delivery and effectiveness. Inflamm Bowel Dis. 2013 Mar; 19(3):627-43. Sewell JL, Velayos FS. PMID: 22623078.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    32. A test-based strategy is more cost effective than empiric dose escalation for patients with Crohn's disease who lose responsiveness to infliximab. Clin Gastroenterol Hepatol. 2013 Jun; 11(6):654-66. Velayos FS, Kahn JG, Sandborn WJ, Feagan BG. PMID: 23357488.
      View in: PubMed   Mentions: 45     Fields:    Translation:Humans
    33. Systematic review and meta-analysis on the effects of thiopurines on birth outcomes from female and male patients with inflammatory bowel disease. Inflamm Bowel Dis. 2013 Jan; 19(1):15-22. Akbari M, Shah S, Velayos FS, Mahadevan U, Cheifetz AS. PMID: 22434610.
      View in: PubMed   Mentions: 32     Fields:    Translation:Humans
    34. Incidence and mortality of colorectal adenocarcinoma in persons with inflammatory bowel disease from 1998 to 2010. Gastroenterology. 2012 Aug; 143(2):382-9. Herrinton LJ, Liu L, Levin TR, Allison JE, Lewis JD, Velayos F. PMID: 22609382.
      View in: PubMed   Mentions: 75     Fields:    Translation:Humans
    35. Colonoscopy after CT diagnosis of diverticulitis to exclude colon cancer: a systematic literature review. Radiology. 2012 May; 263(2):383-90. Sai VF, Velayos F, Neuhaus J, Westphalen AC. PMID: 22517956.
      View in: PubMed   Mentions: 18     Fields:    Translation:Humans
    36. Managing risks of neoplasia in inflammatory bowel disease. Curr Gastroenterol Rep. 2012 Apr; 14(2):174-80. Velayos F. PMID: 22359106.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    37. Setting priorities for comparative effectiveness research in inflammatory bowel disease: results of an international provider survey, expert RAND panel, and patient focus groups. Inflamm Bowel Dis. 2012 Dec; 18(12):2294-300. Cheifetz AS, Melmed GY, Spiegel B, Talley J, Devlin SM, Raffals L, Irving PM, Jones J, Kaplan GG, Kozuch P, Sparrow M, Velayos F, Baidoo L, Bressler B, Siegel CA. PMID: 22337359.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    38. Durability of infliximab dose intensification in Crohn's disease. Dig Dis Sci. 2012 Apr; 57(4):1013-9. Lin KK, Velayos F, Fisher E, Terdiman JP. PMID: 22089254.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    39. Colorectal cancer screening and surveillance in the elderly patient. Am J Gastroenterol. 2011 Jul; 106(7):1197-206;quiz 1207. Day LW, Walter LC, Velayos F. PMID: 21519362.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    40. The good, the bad, and the ugly: adverse events and Crohn's therapies. Inflamm Bowel Dis. 2010 Aug; 16(8):1443-4. Siao D, Velayos FS. PMID: 19834975.
      View in: PubMed   Mentions:    Fields:    
    41. Prevalence of colorectal cancer surveillance for ulcerative colitis in an integrated health care delivery system. Gastroenterology. 2010 Nov; 139(5):1511-8. Velayos FS, Liu L, Lewis JD, Allison JE, Flowers N, Hutfless S, Abramson O, Perry GS, Herrinton LJ. PMID: 20659470.
      View in: PubMed   Mentions: 16     Fields:    Translation:HumansPHPublic Health
    42. Surgery for low-grade colorectal dysplasia in ulcerative colitis: decisions, decisions. Inflamm Bowel Dis. 2010 Jul; 16(7):1265-6. Siao D, Velayos FS. PMID: 19856420.
      View in: PubMed   Mentions:    Fields:    
    43. Viral hepatitis and inflammatory bowel disease. Inflamm Bowel Dis. 2010 Jun; 16(6):925-32. Hou JK, Velayos F, Terrault N, Mahadevan U. PMID: 20480515.
      View in: PubMed   Mentions: 19     Fields:    Translation:Humans
    44. The appropriateness of concomitant immunomodulators with anti-tumor necrosis factor agents for Crohn's disease: one size does not fit all. Clin Gastroenterol Hepatol. 2010 Aug; 8(8):655-9. Melmed GY, Spiegel BM, Bressler B, Cheifetz AS, Devlin SM, Harrell LE, Irving PM, Jones J, Kaplan GG, Kozuch PL, Velayos FS, Baidoo L, Sparrow MP, Siegel CA. PMID: 20451665.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    45. Incidence, prevalence, and time trends of pediatric inflammatory bowel disease in Northern California, 1996 to 2006. J Pediatr. 2010 Aug; 157(2):233-239.e1. Abramson O, Durant M, Mow W, Finley A, Kodali P, Wong A, Tavares V, McCroskey E, Liu L, Lewis JD, Allison JE, Flowers N, Hutfless S, Velayos FS, Perry GS, Cannon R, Herrinton LJ. PMID: 20400099.
      View in: PubMed   Mentions: 30     Fields:    Translation:Humans
    46. Use of azathioprine and 6MP in postoperative Crohn's: changing natural history or just along for the ride? Am J Gastroenterol. 2009 Aug; 104(8):2097-9. Velayos FS, Sandborn WJ. PMID: 19661939.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    47. Timing of myelosuppression during thiopurine therapy for inflammatory bowel disease: implications for monitoring recommendations. Clin Gastroenterol Hepatol. 2009 Nov; 7(11):1195-201; quiz 1141-2. Lewis JD, Abramson O, Pascua M, Liu L, Asakura LM, Velayos FS, Hutfless SM, Alison JE, Herrinton LJ. PMID: 19631285.
      View in: PubMed   Mentions: 14     Fields:    Translation:Humans
    48. Cost effectiveness of ulcerative colitis surveillance in the setting of 5-aminosalicylates. Am J Gastroenterol. 2009 Sep; 104(9):2222-32. Rubenstein JH, Waljee AK, Jeter JM, Velayos FS, Ladabaum U, Higgins PD. PMID: 19491824.
      View in: PubMed   Mentions: 11     Fields:    Translation:HumansPHPublic Health
    49. Deciding to operate for low-grade colorectal dysplasia in ulcerative colitis: how much does the colon cost, how much is it worth? Gastrointest Endosc. 2009 Jun; 69(7):1311-3. Velayos F. PMID: 19481651.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    50. Time trends in therapies and outcomes for adult inflammatory bowel disease, Northern California, 1998-2005. Gastroenterology. 2009 Aug; 137(2):502-11. Herrinton LJ, Liu L, Fireman B, Lewis JD, Allison JE, Flowers N, Hutfless S, Velayos FS, Abramson O, Altschuler A, Perry GS. PMID: 19445944.
      View in: PubMed   Mentions: 30     Fields:    Translation:Humans
    51. Forecasting cyclosporine success or failure. Inflamm Bowel Dis. 2009 Jan; 15(1):152-3. Ravishankar PG, Velayos FS. PMID: 18465806.
      View in: PubMed   Mentions:    Fields:    
    52. Colon cancer surveillance in inflammatory bowel disease patients: current and emerging practices. Expert Rev Gastroenterol Hepatol. 2008 Dec; 2(6):817-25. Velayos F. PMID: 19090741.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    53. Current Controversies in Crohn's Disease: A Roundtable Discussion of the BRIDGe Group. Gastroenterol Hepatol (N Y). 2008 Oct; 4(10):713-20. Sparrow MP, Irving PM, Baidoo L, Bressler B, Cheifetz AS, Devlin SM, Harrell LE, Jones J, Kozuch PL, Melmed GY, Velayos FS, Siegel CA. PMID: 21960891.
      View in: PubMed   Mentions:
    54. Patterns of infliximab use among Crohn's disease patients in a community setting. Inflamm Bowel Dis. 2008 Sep; 14(9):1265-72. Pressman AR, Hutfless S, Velayos F, Fireman B, Lewis JD, Allison J, Abramson O, Herrinton LJ. PMID: 18452199.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    55. Gastroenterologists' attitudes and self-reported practices regarding inflammatory bowel disease. Inflamm Bowel Dis. 2008 Jul; 14(7):992-9. Altschuler A, Collins B, Lewis JD, Velayos F, Allison JE, Hutfless S, Liu L, Herrinton LJ. PMID: 18300277.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    56. The fungus among us. Inflamm Bowel Dis. 2008 May; 14(5):721-2. Bahamonde LG, Velayos FS. PMID: 18200515.
      View in: PubMed   Mentions:    Fields:    
    57. Tumor histology helps to identify Lynch syndrome among colorectal cancer patients. Fam Cancer. 2008; 7(3):267-74. Truta B, Chen YY, Blanco AM, Deng G, Conrad PG, Kim YH, Park ET, Kakar S, Kim YS, Velayos F, Sleisenger MH, Terdiman JP. PMID: 18283560.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    58. Colorectal cancer prevention in inflammatory bowel disease and the role of 5-aminosalicylic acid: a clinical review and update. Inflamm Bowel Dis. 2008 Feb; 14(2):265-74. Rubin DT, Cruz-Correa MR, Gasche C, Jass JR, Lichtenstein GR, Montgomery EA, Riddell RH, Rutter MD, Ullman TA, Velayos FS, Itzkowitz S. PMID: 17932965.
      View in: PubMed   Mentions: 22     Fields:    Translation:Humans
    59. Maximizing patient adherence and clinical outcomes with mesalamine in mildly-to-moderately active ulcerative colitis. Rev Gastroenterol Disord. 2008; 8(1):21-30; quiz 31-2. Lichtenstein GR, Rubin DT, Sabesin SM, Velayos FS, Vitat P. PMID: 18477967.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    60. Positioning biologic therapy for Crohn's disease and ulcerative colitis. Curr Gastroenterol Rep. 2007 Dec; 9(6):521-7. Velayos FS, Sandborn WJ. PMID: 18377806.
      View in: PubMed   Mentions: 5     Fields:    Translation:Humans
    61. Management of steroid-dependent ulcerative colitis: immunomodulatory agents, biologics, or surgery? Clin Gastroenterol Hepatol. 2007 Jun; 5(6):668-71. Velayos F, Mahadevan U. PMID: 17544992.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    62. Risk factors for colorectal neoplasia in inflammatory bowel disease: a nested case-control study from Copenhagen county, Denmark and Olmsted county, Minnesota. Am J Gastroenterol. 2007 Apr; 102(4):829-36. Jess T, Loftus EV, Velayos FS, Winther KV, Tremaine WJ, Zinsmeister AR, Scott Harmsen W, Langholz E, Binder V, Munkholm P, Sandborn WJ. PMID: 17222314.
      View in: PubMed   Mentions: 28     Fields:    Translation:HumansPHPublic Health
    63. Incidence and prognosis of colorectal dysplasia in inflammatory bowel disease: a population-based study from Olmsted County, Minnesota. Inflamm Bowel Dis. 2006 Aug; 12(8):669-76. Jess T, Loftus EV, Velayos FS, Harmsen WS, Zinsmeister AR, Smyrk TC, Tremaine WJ, Melton LJ, Munkholm P, Sandborn WJ. PMID: 16917220.
      View in: PubMed   Mentions: 21     Fields:    Translation:Humans
    64. Predictive and protective factors associated with colorectal cancer in ulcerative colitis: A case-control study. Gastroenterology. 2006 Jun; 130(7):1941-9. Velayos FS, Loftus EV, Jess T, Harmsen WS, Bida J, Zinsmeister AR, Tremaine WJ, Sandborn WJ. PMID: 16762617.
      View in: PubMed   Mentions: 70     Fields:    Translation:Humans
    65. Risk of intestinal cancer in inflammatory bowel disease: a population-based study from olmsted county, Minnesota. Gastroenterology. 2006 Apr; 130(4):1039-46. Jess T, Loftus EV, Velayos FS, Harmsen WS, Zinsmeister AR, Smyrk TC, Schleck CD, Tremaine WJ, Melton LJ, Munkholm P, Sandborn WJ. PMID: 16618397.
      View in: PubMed   Mentions: 96     Fields:    Translation:Humans
    66. Effect of 5-aminosalicylate use on colorectal cancer and dysplasia risk: a systematic review and metaanalysis of observational studies. Am J Gastroenterol. 2005 Jun; 100(6):1345-53. Velayos FS, Terdiman JP, Walsh JM. PMID: 15929768.
      View in: PubMed   Mentions: 116     Fields:    Translation:Humans
    67. Low rate of microsatellite instability in young patients with adenomas: reassessing the Bethesda guidelines. Am J Gastroenterol. 2005 May; 100(5):1143-9. Velayos FS, Allen BA, Conrad PG, Gum J, Kakar S, Chung DC, Truta B, Sleisenger MH, Kim YS, Terdiman JP. PMID: 15842591.
      View in: PubMed   Mentions: 9     Fields:    Translation:HumansCells
    68. The mechanism of microsatellite instability is different in synchronous and metachronous colorectal cancer. J Gastrointest Surg. 2005 Mar; 9(3):329-35. Velayos FS, Lee SH, Qiu H, Dykes S, Yiu R, Terdiman JP, Garcia-Aguilar J. PMID: 15749592.
      View in: PubMed   Mentions: 10     Fields:    Translation:HumansCells
    69. Pneumocystis carinii pneumonia during maintenance anti-tumor necrosis factor-alpha therapy with infliximab for Crohn's disease. Inflamm Bowel Dis. 2004 Sep; 10(5):657-60. Velayos FS, Sandborn WJ. PMID: 15472531.
      View in: PubMed   Mentions: 16     Fields:    Translation:Humans
    70. Early predictors of severe lower gastrointestinal bleeding and adverse outcomes: a prospective study. Clin Gastroenterol Hepatol. 2004 Jun; 2(6):485-90. Velayos FS, Williamson A, Sousa KH, Lung E, Bostrom A, Weber EJ, Ostroff JW, Terdiman JP. PMID: 15181617.
      View in: PubMed   Mentions: 18     Fields:    Translation:Humans
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