Enhanced antitumor and anti-angiogenic effects of metronomic Vinorelbine combined with Endostar on Lewis lung carcinoma oleh Rong-Sheng Qin, Zhen-Hua Zhang, Neng-Ping Zhu, Fei Chen, Qian Guo, Hao-Wen Hu, Shao-Zhi Fu, Shan-Shan Liu, Yue Chen, Juan Fan, Yun-Wei Han