title: Significant social class gradient in breast cancer types and the outcome of potentially unnecessary mastectomies.
authors.forename: Ian
authors.initials: I
authors.lastname: Burnell
authors.forename: Kathleen
authors.initials: K
authors.lastname: Thomas
authors.forename: Iain J
authors.initials: IJ
authors.lastname: Robbé
mesh_terms: D015982:Bias; D001943:Breast Neoplasms / Q000208:ethnology / Q000209:etiology / Q000601:surgery*; D015986:Confounding Factors, Epidemiologic; D005260:Female; D006801:Humans; D008403:Mass Screening / Q000592:standards; D008408:Mastectomy; D012107:Research Design / Q000592:standards*; D012907:Smoking / Q000009:adverse effects; D012923:Social Class; D016896:Treatment Outcome; D019564:Unnecessary Procedures