The expression and significance of PTEN and PIK3CA in pemetrexed-resistant human pancreatic cancer cell line Patu8988
GU Haitao, SHI Xin, LIN Shibo, ZHANG Yi, YANG Jun, QIAN Chengjia
Journal of Practical Oncology . 2010, (2): 112 -116 .  DOI: 10.3969/j.issn.1002-3070.2010.02.003