Circulation 1980 Jul;62(1):167-73.
Body surface distribution of electrical potential during atrial
depolarization and repolarization.
Mirvis DM,
NIL
J Electrocardiol 1989 Jan;22(1):27-43.
Body surface maps of ectopic P waves originating in the left atrium in the
dog.
Kawano S, Hiraoka M, Yamamoto M, Sawanobori T, Sakamoto Y,
Department of Cardiovascular Diseases, Tokyo Medical and Dental
University, Japan.