@article{ref1,
title="Responses of urban preschool children to a developmental screening test",
journal="Journal of pediatrics",
year="1970",
author="Sandler, L. and VanCampen, J. and Ratner, G. and Stafford, C. and Weismar, R.",
volume="77",
number="5",
pages="775-781",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-3476",
doi="",
url="http://dx.doi.org/"
}