Problems encountered in the design of epidemiologic studies of cancer in pesticide users.

@article{Blondell1990ProblemsEI,
  title={Problems encountered in the design of epidemiologic studies of cancer in pesticide users.},
  author={Jerome M Blondell},
  journal={La Medicina del lavoro},
  year={1990},
  volume={81 6},
  pages={524-9}
}
Epidemiologic studies of cancer in pesticide users suffer from three main difficulties: lack of appropriate controls, exposure ascertainment, and exposure to multiple pesticides. Principles of control selection are discussed in the context of cohort and case-control studies. Residence on a farm is associated with unique dietary and lifestyle factors which… CONTINUE READING