Gastrointestinal disturbance and effect of fecal microbiota transplantation in discharged COVID-19 patients oleh Fengqiong Liu, Shanliang Ye, Xin Zhu, Xuesong He, Shengzhou Wang, Yinbao Li, Jiang Lin, Jingsu Wang, Yonggan Lin, Xin Ren, Yong Li, Zhaoqun Deng