@inproceedings{inproceedingsc66e1b60, title = {Hemorragia digestiva alta no hospital das clinicas de ribeirao preto durante 18 meses}, author = {Zimmermann, R C M and Brunaldi, J E and Pereira, L C C and Barros, C J and Romanello, L and Bastos, J L A and Ceneviva, Reginaldo and Modena, J L P}, year = {1988}, publisher = {Fed Bras Gastroenterologia e Soc Bras Endoscopia Digestiva}, booktitle = {Congresso Brasileiro de Gastroenterologia} }