William S. Harmsen

The natural history of corticosteroid therapy for inflammatory bowel disease: A population-based study

William A. Faubion, Edward V. Loftus, William S. Harmsen et al. · Gastroenterology · 2001 · 1.1K citations · Full text

Medicine, Immunology, Internal Medicine +17

The natural history of fistulizing Crohn's disease in Olmsted County, Minnesota

David A. Schwartz, Edward V. Loftus, William J. Tremaine et al. · Gastroenterology · 2002 · 1.1K citations · Full text

Medicine, Clinical Sciences, Internal Medicine +10

Risk Factors for Opportunistic Infections in Patients With Inflammatory Bowel Disease

Murat Törüner, Edward V. Loftus, William S. Harmsen et al. · Gastroenterology · 2008 · 1K citations · Full text

Veterinary Medicine, Immunology, Infectious Diseases +16

The safety profile of infliximab in patients with Crohn’s disease: The Mayo Clinic experience in 500 patients

Jean‐Frédéric Colombel, Edward V. Loftus, William J. Tremaine et al. · Gastroenterology · 2003 · 908 citations · Full text

Pharmacy, Clinical Sciences, Pharmacotherapy +13

Risk Factors for Prosthetic Joint Infection: Case‐Control Study

Elie F. Berbari, Arlen D. Hanssen, M. C. T. Duffy et al. · Clinical Infectious Diseases · 1998 · 842 citations · Full text

Medicine, Orthopaedic Surgery, Orthopedic Surgery +16