Criteria for local myocardial electrical activation: effects of electrogram characteristics. - Kelley P. Anderson; Richard Walker; Marc Fuller; Ted Dustman; Philip R. Ershler; Robert L. Lux (IEEE Trans. Biomed. Eng., 1993)

The Maximal Downstroke of Epicardial Potentials as an Index of Electrical Activity in Mouse Hearts. - Kwanghyun Sohn; Frank B. Sachse; Alonso P. Moreno; Philip R. Ershler; Adam R. Wende; E. Dale Abel; Bonnie B. Punske (IEEE Trans. Biomed. Eng., 2011)