2Toyohsima H, Ito A, Toyama J, et al. Effects of torso shape and change of dipole location on ECG and VCG lead vectors in a hemogeneous torso model. J Electorcardiol 1979,12 (3) : 703 - 710.
3Nadas AS. Pediatric Cardiology. 2^nd ed. Philadelphia, W B Saunders Co. 1963, p71.
4Fradman HH, Diagnostic Electrocardiography and Vectorcardiography. 2^nd ed, New York, McGraw- Hill Co. 1977,141 - 142.
