The significance of case-control studies.

@article{Smidt1974TheSO,
  title={The significance of case-control studies.},
  author={U. Smidt},
  journal={Acta tuberculosea et pneumologica Belgica},
  year={1974},
  volume={65 1},
  pages={60-5}
}
  • U. Smidt
  • Published 1974 in Acta tuberculosea et pneumologica Belgica