(1)
de Manzoni, G.; Catalano, F.; Festini, M.; Guglielmi, A.; Lombardo, F.; Kind, R.; Rodella, L.; Ruzzenente, A.; Zerman, G. ACUTE DUODENAL ULCER BLEEDING. RESULTS IN THE ENDOSCOPIC THERAPY OF THE FIRST BLEEDING AND IN THE REBLEEDING. Ann Ital Chir 2002, 73, 387-396.