1. Expression, deleton and mutation ofp16gene in human gastric cancer
   Xiu-Sheng He, 2001, World Journal of Gastroenterology CrossRef
2. Specific inhibition of cyclin-dependent kinase 4/6 by PD 0332991 and associated antitumor activity in human tumor xenografts
   David W. Fry et al, 2004, Molecular Cancer Therapeutics CrossRef