@misc{indiciaea13acd4f001c, title = {[Ventricular extrasystoles presenting a pattern of left bundle branch block. Vectorcardiographic analysis of the initial phase of ventricular depolarization].}, author = {M Grinberg and P J Moffa and J Tranchesi and L G Serro Azul and M R Netto and J M Souza and F Pileggi and L V Décourt}, year = {1975}, url = {https://pubmed.ncbi.nlm.nih.gov/52350/}, note = {Source identifier: 52350} }