Original Artical: PDF OnlyRadio-telemetry of Fetal Heart EnergyHESS, ORVAN W. M.D., F.A.C.O.G. Author Information From the Department of Obstetrics and Gynecology, Yale University School of Medicine, Grace-New Haven Community Hospital, New Haven, Conn. Obstetrics & Gynecology 20(4):p 516-521, October 1962. Buy © 1962 The American College of Obstetricians and Gynecologists