@article{ref1,
title="Play and learning in the first year: new insights",
journal="Pediatric nursing",
year="1979",
author="Stern, D.",
volume="5",
number="5",
pages="suppl B-G",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0097-9805",
doi="",
url="http://dx.doi.org/"
}