@article{ref1,
title="Advances and retreats in the protection of children",
journal="New England journal of medicine",
year="1989",
author="Krugman, R. D.",
volume="320",
number="8",
pages="531-532",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0028-4793",
doi="10.1056/NEJM198902233200814",
url="http://dx.doi.org/10.1056/NEJM198902233200814"
}