@article{ref1,
title="What is an error?",
journal="Journal of psychosomatic obstetrics and gynaecology",
year="2005",
author="Wijma, Barbro and Gustafsson, Lars-Eric and Thapar-Björkert, Suruchi and Swahnberg, Katarina",
volume="26",
number="4",
pages="233-235",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0167-482X",
doi="",
url="http://dx.doi.org/"
}