Tests of gastrointestinal motility.
D004947:Esophagus; D005069:Evaluation Studies as Topic; D005769:Gastrointestinal Motility; D006801:Humans; D007441:Intubation, Gastrointestinal; D008365:Manometry; D008722:Methods; D013686:Telemetry; D014159:Transducers; D014965:X-Rays