South African Gastro-enterology Society: abstracts. Bloemfontein, 21-24 September 1985. [electronic resource] - South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde Sep 1985 - 513-30 p. digital Publication Type: Journal Article ISSN: 0256-9574 Subjects--Topical Terms: Digestive System DiseasesHumans