Steel knives and iron lungs: medical instruments as medical history.
Worden
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Francis C. Wood Institute for the History of Medicine, College of Physicians, Philadelphia.
D004867:Equipment Design / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D009772:Obstetrical Forceps / Q000266:history; D013525:Surgical Instruments / Q000266:history*; D014481:United States; D012122:Ventilators, Mechanical / Q000266:history