title: The importance of evidence-based international consensus in the primary treatment of breast cancer--a periodic 'must'.
authors.forename: Hans-Jörg
authors.initials: HJ
authors.lastname: Senn
authors.forename: Beat
authors.initials: B
authors.lastname: Thürlimann
mesh_terms: D001943:Breast Neoplasms / Q000628:therapy*; D003245:Consensus Statements as Topic; D019317:Evidence-Based Medicine; D005260:Female; D006801:Humans; D013557:Switzerland