title: A literature analysis in family medicine and general practice. 1981.
authors.forename: J J
authors.initials: JJ
authors.lastname: Frey
authors.forename: J
authors.initials: J
authors.lastname: Frey
mesh_terms: D001319:Authorship; D016009:Chi-Square Distribution; D003625:Data Collection; D005194:Family Practice / Q000266:history*; D049673:History, 20th Century; D006801:Humans; D010506:Periodicals as Topic / Q000266:history* / Q000706:statistics & numerical data; D013223:Statistics as Topic