title: Lymph-node irradiation in operable breast cancer and statistical power.
authors.forename: R
authors.initials: R
authors.lastname: Arriagada
authors.forename: L E
authors.initials: LE
authors.lastname: Rutqvist
mesh_terms: D001943:Breast Neoplasms / Q000188:drug therapy*; D003131:Combined Modality Therapy; D005260:Female; D006801:Humans; D015182:Lymphatic Irradiation