APA

Varsky C. G., Correa M. C., Sarmiento N., Bonfanti M., Peluffo G., Dutack A., Maciel O., Capece P., Valentinuzzi G. & Weinstock D. (19980713). Prevalence and etiology of gastroduodenal ulcer in HIV-positive patients: a comparative study of 497 symptomatic subjects evaluated by endoscopy. : The American journal of gastroenterology.

Chicago

Varsky C G, Correa M C, Sarmiento N, Bonfanti M, Peluffo G, Dutack A, Maciel O, Capece P, Valentinuzzi G and Weinstock D. 19980713. Prevalence and etiology of gastroduodenal ulcer in HIV-positive patients: a comparative study of 497 symptomatic subjects evaluated by endoscopy. : The American journal of gastroenterology.

Harvard

Varsky C. G., Correa M. C., Sarmiento N., Bonfanti M., Peluffo G., Dutack A., Maciel O., Capece P., Valentinuzzi G. and Weinstock D. (19980713). Prevalence and etiology of gastroduodenal ulcer in HIV-positive patients: a comparative study of 497 symptomatic subjects evaluated by endoscopy. : The American journal of gastroenterology.

MLA

Varsky C G, Correa M C, Sarmiento N, Bonfanti M, Peluffo G, Dutack A, Maciel O, Capece P, Valentinuzzi G and Weinstock D. Prevalence and etiology of gastroduodenal ulcer in HIV-positive patients: a comparative study of 497 symptomatic subjects evaluated by endoscopy. : The American journal of gastroenterology. 19980713.