@article{ref1,
title="Babywalkers",
journal="British medical journal: BMJ",
year="1988",
author="Middleton, J. D.",
volume="297",
number="6642",
pages="202-203",
abstract="Abstract unavailable.<br />",
language="",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}