Endoscopy, Table of Contents Endoscopy 2021; 53(02): 211DOI: 10.1055/a-1243-0660 Letter to the editor Reply to Singh et al. Gin-Ho Lo Department of Medical Research, E-DA Hospital, School of Medicine for International Students, I-Shou University, Kaohsiung, Taiwan › Author AffiliationsRecommend Article Abstract Buy Article Letter to:A prospective, randomized trial of thrombin versus cyanoacrylate injection in the control of acute gastric variceal hemorrhageEndoscopy 2020; 52(07): 548-555DOI: 10.1055/a-1127-3170Letter to:Thrombin or glue – you decideEndoscopy 2021; 53(02): 210-210DOI: 10.1055/a-1233-8902 Full Text References References 1 Lo GH, Lin CW, Tai CM. et al. A prospective, randomized trial of thrombin versus cyanoacrylate injection in the control of acute gastric variceal hemorrhage. Endoscopy 2020; 52: 548-555 2 Lo GH, Lai KH, Cheng JS. et al. A prospective, randomized trial of butyl cyanoacrylate injection versus band ligation in management of bleeding gastric varices. Hepatology 2001; 33: 1060-1064 3 Lo GH, Lin CW, Perng DS. et al. A retrospective comparative study of histoacryl injection and banding ligation in the treatment of acute type 1 gastric variceal hemorrhage. Scand J Gastroenterol 2013; 48: 1198-1204