title: Opinion leaders vs audit feedback to implement practice guidelines.
authors.forename: E
authors.initials: E
authors.lastname: Ellerbeck
mesh_terms: D002585:Cesarean Section; D036861:Delivery, Obstetric; D004502:Education, Medical, Continuing; D006801:Humans; D008485:Medical Audit; D009775:Obstetrics and Gynecology Department, Hospital; D011216:Practice Management, Medical / Q000592:standards*