RT Journal Article SR Electronic T1 Response letter to: letter to the editor: three-dimensional bioprinted hepatorganoids in liver failure JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1196 OP 1196 DO 10.1136/gutjnl-2020-322471 VO 70 IS 6 A1 Huayu Yang A1 Lejia Sun A1 Yilei Mao YR 2021 UL http://gut.bmj.com/content/70/6/1196.2.abstract AB