title: Observations on the electromyogram of the oesophagus at rest and during Valsalva's manoeuvre.
mesh_terms: D000200:Action Potentials; D000328:Adult; D000368:Aged; D003679:Deglutition; D004566:Electrodes; D004576:Electromyography; D004947:Esophagus / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009132:Muscles / Q000502:physiology; D014636:Valsalva Maneuver