Zhang, Y., Griffith, E. C., Sage, J., Jacks, T., & Liu, J. O. (2000). Cell cycle inhibition by the anti-angiogenic agent TNP-470 is mediated by p53 and p21(WAF1/CIP1). National Academy of Sciences.

Zhang, Yi, Eric C. Griffith, Julien Sage, Tyler Jacks, và Jun O. Liu. Cell Cycle Inhibition By the Anti-angiogenic Agent TNP-470 Is Mediated By P53 and P21(WAF1/CIP1). National Academy of Sciences, 2000.

Zhang, Yi, et al. Cell Cycle Inhibition By the Anti-angiogenic Agent TNP-470 Is Mediated By P53 and P21(WAF1/CIP1). National Academy of Sciences, 2000.