[Roger Sohier 1903-1991].
D004813:Epidemiology / Q000266:history; D005602:France; D049673:History, 20th Century; D006801:Humans; D007239:Infections / Q000266:history; D010506:Periodicals as Topic / Q000266:history; D011634:Public Health / Q000266:history
Roger Sohier 1903-1991.