@article{ref1,
title="Prolonged treking at high altitude and red cell shape",
journal="Blood cells",
year="1988",
author="Osborne, G. and Cottell, D. C. and Banningan, J. G.",
volume="13",
number="3",
pages="505-507",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0340-4684",
doi="",
url="http://dx.doi.org/"
}