[Osteoporosis and old age].

@article{Bijvoet1966OsteoporosisAO,
  title={[Osteoporosis and old age].},
  author={Olav L. M. Bijvoet},
  journal={Folia medica Neerlandica},
  year={1966},
  volume={9 1},
  pages={21-9}
}