@article{ref1,
title="Effect of age on development of cor pulmonale in nonhuman primates following pyrrolizidine alkaloid intoxication",
journal="Experimental and molecular pathology",
year="1972",
author="Allen, J. R. and Chesney, C. F.",
volume="17",
number="2",
pages="220-232",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0014-4800",
doi="",
url="http://dx.doi.org/"
}