@article{ref1,
title="Some physiological principles underlying variability of response",
journal="Annals of the New York Academy of Sciences",
year="1943",
author="Sheehan, Donal",
volume="44",
number="6",
pages="551-565",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0077-8923",
doi="10.1111/j.1749-6632.1943.tb52771.x",
url="http://dx.doi.org/10.1111/j.1749-6632.1943.tb52771.x"
}