title: Practice variations and the challenge to leadership.
authors.affiliation: Center for Evaluative Clinical Sciences, Dartmouth Medical School, Hanover, New Hampshire, USA.
authors.forename: J E
authors.initials: JE
authors.lastname: Wennberg
authors.forename: J E
authors.initials: JE
authors.lastname: Wennburg
mesh_terms: D003695:Delivery of Health Care; D005260:Female; D018166:Health Care Reform; D006801:Humans; D017116:Low Back Pain / Q000601:surgery; D008297:Male; D008327:Mammography / Q000706:statistics & numerical data; D015412:Mastectomy, Segmental / Q000706:statistics & numerical data; D009985:Orthopedics; D017063:Outcome Assessment, Health Care; D010358:Patient Participation; D010818:Practice Patterns, Physicians'; D011468:Prostatectomy / Q000706:statistics & numerical data; D012955:Societies, Medical; D014481:United States; D000078329:Workforce