Carl Walter: a pioneer in shaping the medical device industry.
D001698:Biomedical Engineering / Q000266:history*; D001793:Blood Preservation / Q000266:history; D006350:Heart Valve Prosthesis / Q000266:history; D049673:History, 20th Century; D006801:Humans; D007688:Kidneys, Artificial / Q000266:history; D014481:United States