@article{ref1,
title="Mental age and physical performance of trainable mentally retarded",
journal="Training school bulletin",
year="1973",
author="Brown, B. J.",
volume="70",
number="3",
pages="131-134",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0041-0918",
doi="",
url="http://dx.doi.org/"
}