Cholecystography: a cost reduction study.
D002765:Cholecystography / Q000295:instrumentation; D004470:Economics, Medical; D005223:Fats; D005704:Gallbladder / Q000502:physiology; D006801:Humans; D008722:Methods; D011187:Posture; D011584:Psychology; D013679:Technology, Radiologic
D005223:Fats