@article{ref1,
title="Lead and human behaviour",
journal="Journal of mental deficiency research",
year="1978",
author="Waldron, H. A.",
volume="22",
number="1",
pages="69-78",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-264X",
doi="",
url="http://dx.doi.org/"
}