[Prognosis in patients with cor pulmonale and positive QRS complex in the aVR lead].

@article{Szafraski1971PrognosisIP,
  title={[Prognosis in patients with cor pulmonale and positive QRS complex in the aVR lead].},
  author={Wojciech Szafrański and A Skruch},
  journal={Polski tygodnik lekarski},
  year={1971},
  volume={26 22},
  pages={825-6}
}