@article{ref1,
title="An approach to psychiatric problems in childhood",
journal="AMA American journal of diseases of children",
year="1950",
author="Kaplan, M.",
volume="79",
number="5",
pages="791-805",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0096-8994",
doi="",
url="http://dx.doi.org/"
}