Air pollution and diseases of the respiratory tracts in pre-school children: A transfer function model.

@article{Helfenstein1991AirPA,
  title={Air pollution and diseases of the respiratory tracts in pre-school children: A transfer function model.},
  author={Ulrich Helfenstein and Ursula A Ackermann-Liebrich and Charlotte Braun-Fahrlaender and Hans Urs Wanner},
  journal={Environmental monitoring and assessment},
  year={1991},
  volume={17 2-3},
  pages={147-56}
}
The purpose of the present statistical analysis was the assessment of the relation between time series of environmental factors and of frequencies of diseases of the respiratory system in pre-school children. During about one year, daily measurements of air pollutants and climatic variables were taken. During the same period of time two series of medical data were collected: (i) The daily relative number of pre-school children, exhibiting diseases of the respiratory tracts who either came to… CONTINUE READING