PT - JOURNAL ARTICLE AU - Yang, Chew Fatt AU - Chua, Chun TI - Achalasia with megaesophagus AID - 10.1503/cmaj.230111 DP - 2023 May 15 TA - Canadian Medical Association Journal PG - E684--E684 VI - 195 IP - 19 4099 - http://www.cmaj.ca/content/195/19/E684.short 4100 - http://www.cmaj.ca/content/195/19/E684.full SO - CMAJ2023 May 15; 195