The National ASGE Survey on upper gastrointestinal bleeding. I. Study design and baseline data
Silverstein FE, Gilbert DA, Tedesco FJ, et al. The National ASGE Survey on upper gastrointestinal bleeding. I. Study design and baseline data. Gastrointest Endosc 1981;27:73-9.
The National ASGE Survey on upper gastrointestinal bleeding. II. Clinical prognostic factors
Silverstein FE, Gilbert DA, Tedesco FJ, et al. The National ASGE Survey on upper gastrointestinal bleeding. II. Clinical prognostic factors. Gastrointest Endosc 1981;27:80-93.
The National ASGE Survey on upper gastrointestinal bleeding. III. Endoscopy in upper gastrointestinal bleeding
Gilbert DA, Silverstein FE, Tedesco FJ, et al. The National ASGE Survey on upper gastrointestinal bleeding. III. Endoscopy in upper gastrointestinal bleeding. Gastrointest Endosc 1981;27:94-103.
Objective evidence of aspirin use in both ulcer and nonulcer upper and lower gastrointestinal bleeding
Lanas A, Sekar C, Hirschowitz BI. Objective evidence of aspirin use in both ulcer and nonulcer upper and lower gastrointestinal bleeding. Gastroenterology 1992;103:862-9.
Striking prevalence of over-the-counter nonsteroidal anti-inflammatory drug use in patients with upper gastrointestinal hemorrhage
Wilcox CM, Shalek KA, Cotsonis G. Striking prevalence of over-the-counter nonsteroidal anti-inflammatory drug use in patients with upper gastrointestinal hemorrhage. Arch Intern Med 1994;154:42-6.
Diverticular bleeding: Are nonsteroidal anti-inflammatory drugs risk factors for hemorrhage and can colonoscopy predict outcome for patients?
Foutch PG. Diverticular bleeding: Are nonsteroidal anti-inflammatory drugs risk factors for hemorrhage and can colonoscopy predict outcome for patients? Am J Gastroenterol 1995;90:1779-84.
Variability in the risk of major gastrointestinal complications from nonaspirin nonsteroidal anti-inflammatory drugs
Henry D, Dobson A, Turner C. Variability in the risk of major gastrointestinal complications from nonaspirin nonsteroidal anti-inflammatory drugs. Gastroenterology 1993;105:1078-88.