title: Effect of a T tube on proximal choledochal pressure.
mesh_terms: D000818:Animals; D002404:Catheterization; D002763:Cholecystectomy; D003135:Common Bile Duct / Q000502:physiology* / Q000601:surgery; D004285:Dogs; D004322:Drainage; D006112:Gravitation; D011312:Pressure