
Is all ineffective esophageal motility the same? A clinical and high-frequency intraluminal US study
Keywords: شاخص توده بدنی; BMI, body mass index; DES, diffuse esophageal spasm; HFIUS, high-frequency intraluminal US; IEM, ineffective esophageal motility; LES, lower-esophageal sphincter; NCCP, noncardiac chest pain; VAS, visual analog scale