@article{ref1,
title="On "invisible frostbite"",
journal="Munchener Medizinische Wochenschrift",
year="1961",
author="Ratschow, M.",
volume="103",
number="",
pages="874-876",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0027-2973",
doi="",
url="http://dx.doi.org/"
}