Zhang, Bicheng, Yafei Zhang, Guoqing Yao, Juan Gao, Bo Yang, Yong Zhao, Zhiguo Rao, and Jianfei Gao. 2012. “M2-Polarized Macrophages Promote Metastatic Behavior of Lewis Lung Carcinoma Cells by Inducing Vascular Endothelial Growth Factor-C Expression”. Clinics 67 (8): 901-6. https://doi.org/10.6061/clinics/2012(08)08.