Koolen, M I [A follow-up study of the results of selective vagotomy and pyloroplasty in patients with a duodenal ulcer]. [electronic resource] - Nederlands tijdschrift voor geneeskunde May 1974 - 689-95 p. digital Publication Type: Journal Article ISSN: 0028-2162 Subjects--Topical Terms: Duodenal Ulcer--surgeryFollow-Up StudiesHumansPylorus--surgeryVagotomy