Comparative effectiveness of ustekinumab versus infliximab in the management of perianal fistulizing Crohn's disease: a retrospective study in China. - Chen, Mengqi; Chen, Zihan; Lin, Jianming; Liu, Linxin; Tu, Tong; Li, Xiaoling; Chen, Baili; He, Yao; Chen, Minhu; Zeng, Zhirong; Zhuang, Xiaojun (Intestinal Research, 2026)