[Ecology and epidemiology].

@article{PrezMiravete1973EcologyAE,
  title={[Ecology and epidemiology].},
  author={A. P{\'e}rez-Miravete},
  journal={Gaceta medica de Mexico},
  year={1973},
  volume={106},
  pages={Suppl 1:9-14}
}