title: [Internal pressure of the lower esophageal function and electromyography].
mesh_terms: D000200:Action Potentials; D000328:Adult; D000368:Aged; D000818:Animals; D002675:Child, Preschool; D004285:Dogs; D004576:Electromyography; D004943:Esophagogastric Junction / Q000502:physiology*; D006801:Humans; D007223:Infant; D008297:Male; D011312:Pressure