FRANGENHEIM, H Clinical and anatomical findings after over-perforation of freely perforated gastric duodenal ulcers. [electronic resource] - Der Chirurg; Zeitschrift fur alle Gebiete der operativen Medizen Sep 1948 - 403-7 p. digital Publication Type: Journal Article ISSN: 0009-4722 Subjects--Topical Terms: Duodenal UlcerDuodenumHumansPeptic Ulcer--surgeryUlcer