@article{ref1,
title="Clubbing of the digits of probable rare traumatic etiology",
journal="Practitioner",
year="1976",
author="Craven, S. A.",
volume="217",
number="1298",
pages="261-262",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0032-6518",
doi="",
url="http://dx.doi.org/"
}