What kind of research in family medicine--further reflections. 1980.
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D005194:Family Practice / Q000193:education / Q000266:history*; D017408:Guidelines as Topic; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D012106:Research / Q000266:history* / Q000592:standards; D014481:United States