@article{ref1,
title="Early American baby rattles. II. "Wooden and tin"",
journal="Clinical pediatrics",
year="1972",
author="Sturtz, G. S.",
volume="11",
number="3",
pages="186-188",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0009-9228",
doi="",
url="http://dx.doi.org/"
}