Relationship between COX-2 expression and clinicopathologic features of esophageal cancer: a Meta-analysis of case-control studies
CAI Er-hui，CAI Shao-xian，CHEN Wei-ying，GAO Yong-xin，XU Xiao-hua，DU Zhong-ren，CHEN Mei-lan，LI Ke*
Carcinogenesis, Teratogenesis & Mutagenesis . 2011, (5): 362 -366 .  DOI: 10.3969/j.issn.1004-616x.2011.05.009