Imaging the gallbladder: appropriate/inappropriate use of high technology?
D002765:Cholecystography; D002769:Cholelithiasis / Q000175:diagnosis* / Q000000981:diagnostic imaging; D005188:False Negative Reactions; D006801:Humans; D013673:Technology Assessment, Biomedical; D013675:Technology, High-Cost; D014463:Ultrasonography / Q000191:economics*