[Viral respiratory infections].

@article{Serafn1975ViralRI,
  title={[Viral respiratory infections].},
  author={F J Seraf{\'i}n and J M Ruiz-G{\'o}mez},
  journal={Boletin medico del Hospital Infantil de Mexico},
  year={1975},
  volume={32 1},
  pages={107-13}
}