Efficacy of erlotinib applied after gefitinib failure on the advanced adenocarcinoma of non small cell lung cancer
SONG Yu-guang;ZHAO Yan-jie;ZHOU Lei;AN Guang-yu
Journal of Capital Medical University . 2012, (5): 581 -585 .  DOI: 10.3969/j.issn.1006-7795.2012.05.005