@article{ref1,
title="Carbon monoxide, vitamin B6, and multiple sclerosis: a theory of interrelationship",
journal="American journal of clinical nutrition",
year="1973",
author="Mitchell, D. A. and Schandl, E. K.",
volume="26",
number="8",
pages="890-896",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9165",
doi="",
url="http://dx.doi.org/"
}