The pressure inversion point: its genesis and reliability.
D000293:Adolescent; D000328:Adult; D003964:Diaphragm / Q000502:physiology*; D004068:Digestive System Physiological Phenomena; D005769:Gastrointestinal Motility / Q000502:physiology; D006801:Humans; D008365:Manometry; D008875:Middle Aged; D011312:Pressure