David H. Levien

Practice Parameters for the Management of Hemorrhoids (Revised)

Peter A. Cataldo, Neal C. Ellis, Sharon Gregorcyk et al. · Diseases of the Colon & Rectum · 2005 · 216 citations

Humanities, Neal C. M.d.1, Sharon M.d.1 +11

Practice parameters for sigmoid diverticulitis

Patricia L. Roberts, Mark F. Abel, Lester Rosen et al. · Diseases of the Colon & Rectum · 1995 · 195 citations

Evidence-based Medicine, Gastroenterology, Surgery +17

Practice Parameters for Anal Squamous Neoplasms

Phillip Fleshner, Sridhar Chalasani, George J. Chang et al. · Diseases of the Colon & Rectum · 2007 · 137 citations

Sridhar M.d.1, Phillip R. M.d.1, Proctology +13

Surgical treatment of anorectal fistula in patients with Crohn's disease.

David H. Levien, James A. Surrell, W. Pat mK Mazier · PubMed · 1989 · 78 citations

Minimal Disability, Internal Opening, Colorectal Surgery +12

Survival after resection of carcinoma of the splenic flexure

David H. Levien, S. J. Gibbons, Dennis Begos et al. · Diseases of the Colon & Rectum · 1991 · 71 citations

Splenic Flexure Cancers, Surgical Oncology, Colorectal Surgery +12