David A. Hopkins

Porcine intrinsic cardiac ganglia.

D. Hopkins, R. Arora, J. Armour, 2003, The anatomical record. Part A, Discoveries in molecular, cellular, and evolutionary biology.

Activity of in vivo atrial and ventricular neurons in chronically decentralized canine hearts.

D. Hopkins, J. Ardell, J. Armour, 1991, The American journal of physiology.