Biomedical communications: the state of the art.
D001296:Audiovisual Aids; D049672:History, 19th Century; D049673:History, 20th Century; D049690:History, Ancient; D049691:History, Medieval; D008488:Medical Illustration / Q000266:history; D010781:Photography / Q000266:history; D014743:Videotape Recording / Q000266:history