@article{ref1,
title="Limitations of pulse oximetry",
journal="Lancet",
year="1993",
author="Seidler, D. and Hirschl, M. M. and Roeggla, G.",
volume="341",
number="8860",
pages="1600-1601",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0140-6736",
doi="10.1016/0140-6736(93)90740-8",
url="http://dx.doi.org/10.1016/0140-6736(93)90740-8"
}