title: [Report on a controlled study on the principles of general practice].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005194:Family Practice; D005260:Female; D005859:Germany, East; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D010817:Physician-Patient Relations
vernacular_title: Bericht über eine Kontrollstudie zum Hausarztprinzip.