@article{ref1,
title="Early characteristics of monozygotic twins discordant for schizophrenia",
journal="Archives of general psychiatry",
year="1967",
author="Stabenau, J. R. and Pollin, W.",
volume="17",
number="6",
pages="723-734",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-990X",
doi="",
url="http://dx.doi.org/"
}