title: Liquid pressure versus surface pressure of the esophagus.
mesh_terms: D000818:Animals; D055592:Biophysical Phenomena; D001703:Biophysics; D004285:Dogs; D004947:Esophagus / Q000502:physiology*; D066298:In Vitro Techniques; D010994:Pleura; D011312:Pressure; D013500:Surface Tension