title: [4th scientific session of the East German Society for Thoracic Surgery in Halle, June 30--31, 1978].
mesh_terms: D003226:Congresses as Topic; D005859:Germany, East; D006801:Humans; D012955:Societies, Medical; D013896:Thoracic Diseases / Q000601:surgery
vernacular_title: VI. Vĕdecké zasedáni sekce hrudní chirurgie spolecnosti pro chirurgii NDR Halle, 30.--31. brezna 1978.