@article{ref1,
title="A pediatrician rides on Iowa school bus",
journal="Journal of the Iowa Medical Society",
year="1972",
author="Johnson, Charles Felzen",
volume="62",
number="4",
pages="176-182",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0021-0587",
doi="",
url="http://dx.doi.org/"
}