1. Clinical significance of vascular endothelial growth factor expression and neovascularization in colorectal carcinoma.
   Shu Zheng et al, 2003, World J. Gastroenterol. CrossRef
2. Anti-Tumor Effect of Apatinib and Relevant Mechanisms in Liposarcoma
   Lixuan Cui et al, 2021, Front. Oncol. CrossRef