[Evaluation of planorbid populations, in natural habitats, by the method of perforation of the shell].

@article{Coelho1986EvaluationOP,
  title={[Evaluation of planorbid populations, in natural habitats, by the method of perforation of the shell].},
  author={Paulo M. Coelho and S E Gerken and Juliana Ribeiro De Freitas},
  journal={Revista do Instituto de Medicina Tropical de Sao Paulo},
  year={1986},
  volume={28 2},
  pages={74-9}
}