@article{ref1,
title="Frequency of caregiver supervision of young children during play",
journal="International journal of injury control and safety promotion",
year="2007",
author="Chen, Xiaoming and Beran, Melissa and Altkorn, Robert and Milkovich, Scott M. and Gruaz, Kristin and Rider, Gene and Kanti, Amita and Ochsenhirt, Jen",
volume="14",
number="2",
pages="122-124",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1745-7300",
doi="10.1080/17457300701372316",
url="http://dx.doi.org/10.1080/17457300701372316"
}