@article{ref1,
title="Swimming ability of children - survey of 4000 Queensland children in a high drowning region",
journal="Medical journal of Australia",
year="1979",
author="Nixon, J. W. and Pearn, J. H. and Dugdale, A. E.",
volume="2",
number="5",
pages="271-272",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="",
issn="0025-729X",
doi="",
url="http://dx.doi.org/"
}