Non‐Smal Cel Lung Cancer .Maintenance with either gemcitabine or erlotinib versus observation with predefined second‐linetreat ment after cisplatin‐gemcitabineinduction chemotherapy in advanced NSCLC:IFCT‐GFPC0502phase Ⅲ study .王金万,孙燕,刘永煜,等.重组人血管内皮抑素联合NP方 ......