title: Statistical rigour is essential to clinical prediction.
authors.forename: Val J
authors.initials: VJ
authors.lastname: Gebski
authors.forename: Karen
authors.initials: K
authors.lastname: Byth
authors.forename: Allan O
authors.initials: AO
authors.lastname: Langlands
mesh_terms: D001365:Axilla / Q000473:pathology; D001943:Breast Neoplasms / Q000473:pathology* / Q000601:surgery; D018270:Carcinoma, Ductal, Breast / Q000473:pathology* / Q000601:surgery; D003657:Decision Making; D006801:Humans; D016014:Linear Models; D008197:Lymph Node Excision; D008207:Lymphatic Metastasis