@article{ref1,
title="Contact urticaria and anaphylactic reactions induced by topical application of nitrogen mustard",
journal="Actas dermo-sifiliograficas",
year="1977",
author="Sánchez Yus, E. and Surárez Martín, E.",
volume="68",
number="12",
pages="39-44",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0001-7310",
doi="",
url="http://dx.doi.org/"
}