[Work of American surgeons in the field of heart surgery].
D000818:Animals; D006348:Cardiac Surgical Procedures / Q000379:methods; D016027:Heart Transplantation; D006350:Heart Valve Prosthesis / Q000379:methods; D006354:Heart, Artificial; D006801:Humans; D007391:International Cooperation; D014586:USSR; D014481:United States
O rabote amerikanskikh khirurgov v oblasti khirurgii serdtsa.