J Electrocardiol 1990 Jan;23(1):23-31.
Electrogenesis of the S1S2S3 electrocardiographic pattern. A study in
humans based on body surface potential and right ventricular endocardial
mapping.
Delise P, Piccolo E, D'Este D, De Piccoli B, Raviele A, Di Pede F, Millosevich P, Bonso A,
Division of Cardiology, Mestre Hospital, Venice, Italy.