机构:
Hosp Univ Penn, Dept Surg, Div Gastrointestinal Surg, Philadelphia, PA 19104 USAHosp Univ Penn, Dept Surg, Div Gastrointestinal Surg, Philadelphia, PA 19104 USA
机构:
Mayo Clin Rochester, Div Gastroenterol & Hepatol, 200 First St SW, Rochester, MN 55905 USAMayo Clin Rochester, Div Gastroenterol & Hepatol, 200 First St SW, Rochester, MN 55905 USA
机构:
Western Univ, Div Gastroenterol, Dept Med, London, ON, Canada
Western Univ, Div Gastroenterol, Dept Epidemiol, London, ON, Canada
Western Univ, Div Gastroenterol, Dept Biostat, London, ON, CanadaWestern Univ, Div Gastroenterol, Dept Med, London, ON, Canada
机构:
Mayo Clin, Inflammatory Bowel Dis Interest Grp, Div Gastroenterol & Hepatol, 200 First St Southwest, Rochester, MN 55905 USAMayo Clin, Inflammatory Bowel Dis Interest Grp, Div Gastroenterol & Hepatol, 200 First St Southwest, Rochester, MN 55905 USA