%0 Journal Article %T Phase II study assessing lapatinib added to letrozole in patients with progressive disease under aromatase inhibitor in metastatic breast cancer—Study BES 06 %A Villanueva, C. %A Romieu, G. %A Salvat, J. %A Chaigneau, L. %A Merrouche, Y. %A N’Guyen, T. %A Vuillemin, A. %A Demarchi, M. %A Dobi, E. %A Pivot, Xavier %J Targeted Oncology %V 8 %N 2 %P 137-143 %@ 1776-2596 %D 2013-04-23 %I Springer-Verlag %~ DeepDyve