Ventricular hypertrophy and the precordial electrocardiogram.

@article{Paul1951VentricularHA,
  title={Ventricular hypertrophy and the precordial electrocardiogram.},
  author={Ostrander Paul and Armin F. Schick},
  journal={The Proceedings of the Institute of Medicine of Chicago},
  year={1951},
  volume={18 16},
  pages={372}
}