@article{ref1,
title="Pediatric evaluation of play",
journal="Anales de la Facultad de Medicina, Universidad de la República, Montevideo, Uruguay",
year="1950",
author="Escardo, F.",
volume="35",
number="7",
pages="989-1000",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="0365-2297",
doi="",
url="http://dx.doi.org/"
}