TY - GEN AU - Borrello,F AU - Agostini,M TI - [Gastroduodenal ulcer in adolescence (case contribution)] SN - 0016-5662 PY - 1966///0113 KW - Adolescent KW - Female KW - Humans KW - Male KW - Peptic Ulcer N1 - Publication Type: Journal Article ER -