@article{ref1,
title="Babywalkers",
journal="British medical journal: BMJ",
year="1988",
author="",
volume="297",
number="6645",
pages="421-422",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}