title: Physician utilization: the state of research about physicians' practice patterns.
authors.affiliation: Section of General Medicine and Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, USA.
authors.forename: John M
authors.initials: JM
authors.lastname: Eisenberg
mesh_terms: D003695:Delivery of Health Care / Q000592:standards; D006302:Health Services Research / Q000379:methods / Q000592:standards; D006801:Humans; D009042:Motivation; D010818:Practice Patterns, Physicians' / Q000191:economics / Q000639:trends