Urgent colonoscopy for evaluation and management of acute lower gastrointestinal hemorrhage: A randomized controlled trial

A new method of classifying prognostic comorbidity in longitudinal studies: Development and validation

Mary E. Charlson, Peter Pompei, Kathy L. Aleš et al. · Journal of Chronic Diseases · 1987 · 49.9K citations

Public Health, Biostatistics, Clinical Classification Systems +15

Epidemiology and outcome of patients hospitalized with acute lower gastrointestinal hemorrhage: a population-based study.

Longstreth Gf · PubMed · 1997 · 730 citations

Medicine, Clinical Sciences, Internal Medicine +12

Urgent Colonoscopy for the Diagnosis and Treatment of Severe Diverticular Hemorrhage

Gustavo A. Machicado, Rome Jutabha, T. O. G. Kovacs · New England Journal of Medicine · 2000 · 702 citations

Medicine, Clinical Sciences, Internal Medicine +14

Diagnosis and Treatment of Severe Hematochezia

Dennis M. Jensen, Gustavo A. Machicado · Gastroenterology · 1988 · 396 citations

Medicine, Internal Medicine, Sepsis +1

Multipolar Electrocoagulation in the Treatment of Active Upper Gastrointestinal Tract Hemorrhage

Loren Laine · New England Journal of Medicine · 1987 · 256 citations

Medicine, Hematology, Surgery +16