Citation: La. Heitlinger et al., DIRECT AND INDIRECT COSTS OF GASTROINTESTINAL PROCEDURES IN A HOSPITAL-BASED ENDOSCOPY UNIT, Gastrointestinal endoscopy, 45(4), 1997, pp. 145-145
Citation: La. Heitlinger et al., COST OF GASTROINTESTINAL PROCEDURES IN A CHILDRENS HOSPITAL-BASED ENDOSCOPY UNIT, Gastrointestinal endoscopy, 43(4), 1996, pp. 149-149