CD44, Sonic Hedgehog, and Gli1 Expression Are Prognostic Biomarkers in Gastric Cancer Patients after Radical Resection. - Jian-Hui C; Er-Tao Z; Si-Le C; Hui W; Kai-Ming W; Xin-Hua Z; Chuang-Qi C; Shi-Rong C; Yu-Long H (Gastroenterology research and practice, 2016)