The rectilinear scanner.
D000328:Adult; D002717:Chlormerodrin; D003201:Computers; D005260:Female; D006801:Humans; D006977:Hypertension, Renal / Q000175:diagnosis; D007668:Kidney / Q000098:blood supply; D007674:Kidney Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging; D008297:Male; D008629:Mercury Isotopes; D008875:Middle Aged; D011704:Pyelonephritis / Q000175:diagnosis; D011859:Radiography; D011877:Radionuclide Imaging; D013667:Technetium
D008629:Mercury Isotopes; D013667:Technetium; D002717:Chlormerodrin