@article{ref1,
title="The 'serpent-stone' or the 'black-stone'",
journal="Social science and medicine (1982)",
year="1987",
author="Scarpa, A.",
volume="25",
number="3",
pages="229-230",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0277-9536",
doi="",
url="http://dx.doi.org/"
}