Letter in response to Black et al. (2020): Authors' Reply-MedSci.cn

Letter in response to Black et al. (2020): Authors' Reply

Black, CJ; Ford, AC

Black, CJ (通讯作者)，St James Univ Hosp, Leeds Gastroenterol Inst, Room 125,4th Floor,Bexley Wing,Beckett St, Leeds LS9 7TF, W Yorkshire, England.