%0 Case Reports %T An Unusual Case of Esophageal Motility Disorder. %A Koseki Y %A Sato H %A Terai S %J Gastroenterology %V 159 %N 3 %D 09 2020 %M 32205173 %F 33.883 %R 10.1053/j.gastro.2020.03.032 %X