@article{ref1,
title="Ethical issues in psychiatric follow-up studies",
journal="American journal of psychiatry",
year="1972",
author="Nelson, S. H. and Grunebaum, H.",
volume="128",
number="11",
pages="1358-1362",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-953X",
doi="",
url="http://dx.doi.org/"
}