TY - GEN AU - RAMOS MEJIA,M M TI - [Surgical indications in massive gastroduodenal hemorrhages] SN - 0004-4830 PY - 1998///1101 KW - Digestive System Surgical Procedures KW - Gastrointestinal Hemorrhage KW - surgery KW - Hemorrhage KW - Humans N1 - Publication Type: Journal Article ER -