Authors: HALLAS J LAURITSEN J VILLADSEN HD GRAM LF

Citation: J. Hallas et al., NONSTEROIDAL ANTIINFLAMMATORY DRUGS AND UPPER GASTROINTESTINAL-BLEEDING, IDENTIFYING HIGH-RISK GROUPS BY EXCESS RISK ESTIMATES, Scandinavian journal of gastroenterology, 30(5), 1995, pp. 438-444