[From old volumes. 1917-1919].
D049673:History, 20th Century; D006801:Humans; D007251:Influenza, Human / Q000266:history; D007883:Legislation, Medical / Q000266:history; D010506:Periodicals as Topic / Q000266:history*; D011635:Public Health Administration / Q000266:history; D012955:Societies, Medical / Q000266:history; D013557:Switzerland
Aus alten Jahrgängen. 1917-1919.