@article{ref1,
title="Lenin's final illness",
journal="Practitioner",
year="1970",
author="L'Etang, H.",
volume="204",
number="222",
pages="587-590",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0032-6518",
doi="",
url="http://dx.doi.org/"
}