Neurosurgeons, computed tomographic scanners, and the health planning bureaucracy.
D002567:Certificate of Need; D006285:Health Planning / Q000331:legislation & jurisprudence*; D006287:Health Planning Guidelines; D006307:Health Systems Agencies; D008396:Maryland; D009485:Neuroradiography / Q000295:instrumentation*; D009493:Neurosurgery; D011366:Professional Review Organizations; D011641:Public Relations; D012955:Societies, Medical; D014057:Tomography, X-Ray Computed / Q000706:statistics & numerical data / Q000600:supply & distribution*; D014481:United States