Alterations in Bile Acid Metabolism Associated With Inflammatory Bowel Disease. Issue 9 (19th August 2021) - Li, Na; Zhan, Shukai; Tian, Zhenyi; Liu, Caiguang; Xie, Zonglin; Zhang, Shenghong; Chen, Minhu; Zeng, Zhirong; Zhuang, Xiaojun