Memoir of Jacob Gershon-Cohen. 1899-1971.
D049672:History, 19th Century; D049673:History, 20th Century; D009683:Nuclear Medicine / Q000266:history; D010414:Pennsylvania; D011871:Radiology / Q000266:history; D012955:Societies, Medical / Q000266:history; D013817:Thermography / Q000266:history