Seymour Furman.
Harthorne
J Warren
JW
Cardiac Unit, Mass General, Boston, MA 02114, USA. Harthorne.John@mgh.harvard.edu
D002304:Cardiac Pacing, Artificial / Q000266:history*; D002309:Cardiology / Q000266:history*; D049673:History, 20th Century; D049674:History, 21st Century; D014481:United States