6Karpawich PP,Justice C, Cavitt D, et al. Developmental sequelae of fixed-rate ventricular pacing in the immature canine heart: an electrophysiologic,hemodynamic and histopathologic evaluation.Am Heart J, 1990,119:1077.
7Prinzen FW,Peschar M. Relation between the pacing induced sequence of activation and left ventricular pump function in animals. Pacing Clin Electrophysiol,2002:484.
8Karpawich PP,Mital s. Comparative left ventricular function following atrial, septal, and apical single chamber heart pacing in the young. Pacing Clin Electrophisiol, 1997,20:1983.
9Schwaab B, kindermarm M, frohlig G, et al. Septal lead implantation for the reduction of paced QRS duration using passive fixation leads. Pace, 2001,24: 28.
10Melvin M, Scheinman MM, Saxon LA. Long term His-bundle pacing and cardiac function. Circulation,2000,101 : 836.
