@article{ref1,
title="Blood groups and diseases",
journal="Haematologia (Budap)",
year="1974",
author="Mourant, A. E.",
volume="8",
number="1-4",
pages="183-194",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0017-6559",
doi="",
url="http://dx.doi.org/"
}