[SURGICAL THERAPY OF PERFORATED GASTRODUODENAL ULCER (CLINICO-STATISTICAL CONTRIBUTION)].
D001699:Biometry; D006801:Humans; D010439:Peptic Ulcer Perforation; D013514:Surgical Procedures, Operative
PEPTIC ULCER PERFORATION; SURGERY, OPERATIVE
LA TERAPIA CHIRURGICA DELL'ULCERA GASTRICA E DUODENALE PERFORATA (CONTRIBUTO CLINICO-STATISTICO)