@article{ref1,
title="Drowning in private swimming pools among children in Sweden 1958-1973",
journal="Lakartidningen",
year="1974",
author="Berg, J. and Thorson, Jan",
volume="71",
number="33",
pages="2986-2989",
abstract="Abstract unavailable.",
language="",
issn="0023-7205",
doi="",
url="http://dx.doi.org/"
}