In memoriam: Harvey Carlyle Pollock, 1884-1970.
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Shankland
D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009970:Orthodontics / Q000266:history*; D010506:Periodicals as Topic / Q000266:history; D012953:Societies, Dental / Q000266:history; D014481:United States