@article{ref1,
title="Another look at playgroups",
journal="Health visitor",
year="1973",
author="Kerr, K. M.",
volume="46",
number="9",
pages="304-305",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0017-9140",
doi="",
url="http://dx.doi.org/"
}