[Evaluation of infants mortality in Poland in 1964].

@article{Krysztofowicz1965EvaluationOI,
  title={[Evaluation of infants mortality in Poland in 1964].},
  author={R Krysztofowicz and A Lenc-Krumholz},
  journal={Zdrowie publiczne},
  year={1965},
  volume={9},
  pages={371-8}
}