TY - GEN AU - VALENTE,P AU - AGRESTI,A TI - [Possibility of an allergic mechanism in perforation of gastroduodenal ulcer: clinico-histological study] SN - 0035-5259 PY - 2000///0701 KW - Humans KW - Hypersensitivity KW - Immune System Diseases KW - Peptic Ulcer KW - Peptic Ulcer Perforation N1 - Publication Type: Journal Article ER -