@article{ref1,
title="Responses of Quechua Indians to coca ingestion during cold exposure",
journal="American journal of physical anthropology",
year="1971",
author="Hanna, J. M.",
volume="34",
number="2",
pages="273-277",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9483",
doi="10.1002/ajpa.1330340210",
url="http://dx.doi.org/10.1002/ajpa.1330340210"
}