@article{ref1,
title="The influence of psychological factors on breastfeeding duration",
journal="Journal of Advanced Nursing",
year="2008",
author="O'Brien, Maxine and Buikstra, Elizabeth and Hegney, Desley G.",
volume="63",
number="4",
pages="397-408",
abstract="Title. The influence of psychological factors on breastfeeding duration.<p />",
language="",
issn="0309-2402",
doi="10.1111/j.1365-2648.2008.04722.x",
url="http://dx.doi.org/10.1111/j.1365-2648.2008.04722.x"
}