Cadoni S, Liggi M, Falt P, Sanna S, Argiolas M, Fanari V, Gallittu P, Mura D, Porcedda ML, Smajstrla V, Erriu M, Leung FW. Evidence to suggest adoption of water exchange deserves broader consideration: Its pain alleviating impact occurs in 90% of investigators. World J Gastrointest Endosc 2016; 8(2): 113-121 [PMID: 26839651 DOI: 10.4253/wjge.v8.i2.113]