Azria, David Concurrent or sequential adjuvant letrozole and radiotherapy after conservative surgery for early-stage breast cancer (CO-HO-RT): a phase 2 randomised trial. [electronic resource] - The Lancet. Oncology Mar 2010 - 258-65 p. digital Publication Type: Clinical Trial, Phase II; Journal Article; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 1474-5488 Standard No.: 10.1016/S1470-2045(10)70013-9 doi Subjects--Topical Terms: AgedAged, 80 and overAromatase Inhibitors--administration & dosageBreast Neoplasms--drug therapyCombined Modality TherapyDermatitis--etiologyDrug-Related Side Effects and Adverse ReactionsFemaleHumansLetrozoleMiddle AgedNitriles--administration & dosagePostmenopauseRadiation-Sensitizing Agents--administration & dosageSurvival AnalysisTriazoles--administration & dosage