title: [Development of technics employed in extracorporeal circulation in the years 1961-1976 in the light of 1,200 cases].
mesh_terms: D005112:Extracorporeal Circulation / Q000266:history / Q000379:methods*; D049673:History, 20th Century; D006801:Humans; D011044:Poland
vernacular_title: Ewolucja w technice krqzenia pozaustrojowego w latach 1961-1976 na podstawie 1200 operacji.