@article{ref1,
title="Motor development and sleep problems among 9-month-olds",
journal="Perceptual and motor skills",
year="1998",
author="Scher, A. and Ratson, M.",
volume="87",
number="3",
pages="1218-1218",
abstract="Nightwaking and bedtime fussiness were correlated .33 with 44 infants' motor achievements.<p /><p>Language: en</p>",
language="en",
issn="0031-5125",
doi="",
url="http://dx.doi.org/"
}