@article{ref1,
title="Did you spot?",
journal="Paediatric and perinatal epidemiology",
year="2008",
author="",
volume="22",
number="2",
pages="154-154",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0269-5022",
doi="10.1111/j.1365-3016.2008.00923.x",
url="http://dx.doi.org/10.1111/j.1365-3016.2008.00923.x"
}