title: Changing physicians' practices.
authors.affiliation: University of Pennsylvania School of Medicine, Philadelphia 19104.
authors.forename: P J
authors.initials: PJ
authors.lastname: Greco
authors.forename: J M
authors.initials: JM
authors.lastname: Eisenberg
mesh_terms: D004502:Education, Medical, Continuing; D005246:Feedback; D005544:Forecasting; D006801:Humans; D010347:Patient Care Planning / Q000592:standards; D010819:Physician's Role; D017410:Practice Guidelines as Topic; D010818:Practice Patterns, Physicians' / Q000191:economics / Q000458:organization & administration / Q000639:trends; D012051:Reimbursement Mechanisms; D014481:United States