Physics and medicine 1868-1968.
D004554:Electric Countershock / Q000266:history; D004562:Electrocardiography / Q000266:history; D004569:Electroencephalography / Q000266:history; D004576:Electromyography / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D010138:Pacemaker, Artificial / Q000266:history; D010825:Physics / Q000266:history*; D011859:Radiography / Q000266:history; D011868:Radioisotopes; D011878:Radiotherapy / Q000266:history
D011868:Radioisotopes