@article{Gergen1988,
author = {Gergen, P.J. and Mullally, D.I. and Evans, R.},
title= {National survey of prevalence of asthma among children in the United States, 1976 to 1980},
year = {1988},
journal = {Pediatrics},
volume = {88},
number = {1},
pages = {1--7},
}