Gallstones: diagnostic imaging in historical perspective.
D002765:Cholecystography / Q000266:history*; D002769:Cholelithiasis / Q000175:diagnosis* / Q000000981:diagnostic imaging; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011859:Radiography / Q000266:history*; D014463:Ultrasonography