Drs. Abildskov, Burgess, Lux, and Vincent study he utility of body surface electrical mapping in detecting ventricular recovery properties in humans.
Abildskov JA, Burgess MJ, Lux RL, Wyatt R, Vincent M. The Expression of Normal Ventricular Repolarization in the Body Surface Distribution of T Potentials. Circulation, 54 (6), 901-906, 1976