Alpha-estradiol and (R)-(−)-ibuprofen inhibit gastric cancer progression via GLI1 G-quadruplex - Li, Qiang; Pan, Pan; Xian, Qingqing; Li, Jingtan; Wang, Jingting; Cai, Jiaying; Wang, Jing; Jia, Yanfei; Sun, Haiji; Zhang, Lulu; Ma, Xiaoli (Frontiers in Pharmacology, 2025)