@article{ref1,
title="The medical hazards of camping",
journal="Practitioner",
year="1949",
author="Learoyd, C. C.",
volume="162",
number="971",
pages="396-404",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0032-6518",
doi="",
url="http://dx.doi.org/"
}