title: [12th congress of the Germany Democratic Republic Surgical Society. Abstracts].
mesh_terms: D003226:Congresses as Topic; D013502:General Surgery; D005859:Germany, East; D006801:Humans; D012955:Societies, Medical; D013514:Surgical Procedures, Operative
vernacular_title: XII. Kongress der Gesellschaft für Chirurgie der DDR.