title: Prognostic factors analysis in clinical oncology: handle with care.
authors.forename: S
authors.initials: S
authors.lastname: Marsoni
authors.forename: M G
authors.initials: MG
authors.lastname: Valsecchi
mesh_terms: D001943:Breast Neoplasms / Q000401:mortality*; D005163:Factor Analysis, Statistical; D005260:Female; D006801:Humans; D015233:Models, Statistical; D011379:Prognosis; D015996:Survival Rate