History of the operating microscope: from magnifying glass to microneurosurgery.
McFadden
J T
JT
D004564:Electrocoagulation / Q000266:history* / Q000295:instrumentation; D049673:History, 20th Century; D006801:Humans; D008866:Microsurgery / Q000266:history* / Q000295:instrumentation; D009493:Neurosurgery / Q000266:history / Q000295:instrumentation; D014481:United States