The development of the electrocardiograph.
Savoy
P
P
Louisiana State University Medical Center, New Orleans, USA.
O'Leary
J P
JP
D004562:Electrocardiography / Q000266:history* / Q000295:instrumentation; D005060:Europe; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans