@article{ref1,
title="Normative curves for physically aggressive behaviors in children 6 to 24 months of age",
journal="Journal of pediatrics",
year="2019",
author="Long, Sarah S.",
volume="206",
number="",
pages="e3-e3",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0022-3476",
doi="10.1016/j.jpeds.2019.01.021",
url="http://dx.doi.org/10.1016/j.jpeds.2019.01.021"
}