The roles of the COX2/PGE2/EP axis in therapeutic resistance - Dali Tong; Qiuli Liu; Lin-ang Wang; Qiubo Xie; Jian Pang; Yiqiang Huang; Luofu Wang; Gaolei Liu; Dianzheng Zhang; Weihua Lan; Jun Jiang (Cancer and Metastasis Reviews, 2018)