title: [How many home deliveries are needed to maintain proficiency?].
authors.forename: P E
authors.initials: PE
authors.lastname: Treffers
mesh_terms: D002983:Clinical Competence; D005194:Family Practice / Q000592:standards*; D005260:Female; D006700:Home Childbirth; D006801:Humans; D009426:Netherlands; D009774:Obstetrics / Q000592:standards; D011247:Pregnancy