培美曲塞单药二线治疗晚期非小细胞肺癌的临床观察
孙鹏;冯仲珉;孙利敏;孙艳
YANG Chang-ying;ZHANG Li-ping;WANG Ying-ping;CUI Fang;ZHANG Yi
. 2008, (1): 99 -99 .