title: Do variations in breast cancer care matter?
authors.forename: Rebecca A
authors.initials: RA
authors.lastname: Silliman
authors.forename: Timothy L
authors.initials: TL
authors.lastname: Lash
mesh_terms: D000367:Age Factors; D001943:Breast Neoplasms / Q000628:therapy*; D003695:Delivery of Health Care / Q000458:organization & administration; D005260:Female; D006801:Humans; D010818:Practice Patterns, Physicians' / Q000706:statistics & numerical data*; D011787:Quality of Health Care; D018426:SEER Program; D012959:Socioeconomic Factors; D014481:United States