Cheng, H EGFR expression is associated with decreased benefit from trastuzumab in the NCCTG N9831 (Alliance) trial. [electronic resource] - British journal of cancer Sep 2014 - 1065-71 p. digital Publication Type: Journal Article; Randomized Controlled Trial; Research Support, N.I.H., Extramural ISSN: 1532-1827 Standard No.: 10.1038/bjc.2014.442 doi Subjects--Topical Terms: Antibodies, Monoclonal, Humanized--administration & dosageAntineoplastic Combined Chemotherapy Protocols--administration & dosageBiomarkers, Tumor--analysisBreast Neoplasms--chemistryDisease-Free SurvivalErbB Receptors--analysisFemaleFollow-Up StudiesHumansMiddle AgedReceptor, ErbB-2--analysisSurvival RateTissue Array AnalysisTrastuzumab