Landmark perspective: The Graham-Cole "test" revisited. The oral cholecystogram today.
D000284:Administration, Oral; D002765:Cholecystography / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010635:Phenolphthaleins; D014463:Ultrasonography; D014481:United States
D010635:Phenolphthaleins; C018156:3',3'',5',5''-tetrabromophenolphthalein