International comparison of perinatal and infant mortality.

@article{Chase1967InternationalCO,
  title={International comparison of perinatal and infant mortality.},
  author={Helen C. Chase},
  journal={Vital and health statistics. Series 3, Analytical studies},
  year={1967},
  volume={6},
  pages={1-97}
}
  • Helen C. Chase
  • Published 1967 in
    Vital and health statistics. Series 3, Analytical…