[The 90th birthday of Prof Alfred Gigon, Sept. 24, 1973].
D005194:Family Practice / Q000266:history; D049673:History, 20th Century; D010506:Periodicals as Topic / Q000266:history; D012106:Research / Q000266:history; D013557:Switzerland
Professor Alfred Gigon zum 90. Geburtstag am 24. September 1973.