Scope and Contents
Warning: graphic content of surgical operations on research dogs.A silent black and white film detailing gallbladder reaction to injections of cholecystokinin. Apparatus for measuring gallbladder pressure used to record pressure movements in research dogs. Diagrams and close-up photography detail use of apparatus. Three research dogs given injections and observed through photography and x-ray, all subjects show gallbladder evacuation. Human subject with pericholecystitis also...