Prospective study of acquisition of Cryptosporidium, Giardia lamblia, and gastrointestinal illness.

@article{Jokipii1985ProspectiveSO,
  title={Prospective study of acquisition of Cryptosporidium, Giardia lamblia, and gastrointestinal illness.},
  author={Anssi M. M. Jokipii and M. Hemil{\"a} and Liisa Jokipii},
  journal={Lancet},
  year={1985},
  volume={2 8453},
  pages={487-9}
}