title: Abstracts of papers presented at the 12th annual meeting of the Deutsche Gesellschaft für Thorax-, Herz- und Gefässchirurgie (German Society for Thoracic and Cardiovascular Surgery). February 17th, 1983 to February 19th, 1983, Bad Nauheim.
mesh_terms: D000800:Angioplasty, Balloon; D006331:Heart Diseases / Q000601:surgery*; D006801:Humans; D008171:Lung Diseases / Q000601:surgery*