CD44, Sonic Hedgehog, and Gli1 Expression Are Prognostic Biomarkers in Gastric Cancer Patients after Radical Resection. - Jian-Hui, Chen; Er-Tao, Zhai; Si-Le, Chen; Hui, Wu; Kai-Ming, Wu; Xin-Hua, Zhang; Chuang-Qi, Chen; Shi-Rong, Cai; Yu-Long, He (Gastroenterology Research & Practice, 2015)