No abstract available
Keywords:
George M. Beard; Heinrich R. Hertz; Thomas A. Edison; William T.G. Morton; etheric force; radiofrequency.
Publication types
-
Biography
-
Historical Article
-
Portrait
MeSH terms
-
Anesthesia / history*
-
Electrocoagulation / history
-
Electrocoagulation / instrumentation
-
Equipment and Supplies / history*
-
History, 19th Century
-
History, 20th Century
-
Magnetic Resonance Imaging / history
-
Magnetic Resonance Imaging / instrumentation
-
Radio Waves / history*
-
Ultrasonography / history
-
Ultrasonography / instrumentation