Nuclear medicine.
D001842:Bone and Bones / Q000000981:diagnostic imaging; D001921:Brain / Q000000981:diagnostic imaging; D003201:Computers; D006801:Humans; D007668:Kidney / Q000000981:diagnostic imaging; D008099:Liver / Q000000981:diagnostic imaging; D008168:Lung / Q000000981:diagnostic imaging; D009683:Nuclear Medicine; D011877:Radionuclide Imaging; D013667:Technetium; D013961:Thyroid Gland / Q000000981:diagnostic imaging
D013667:Technetium