@article{ref1,
title="Self-reported swimming ability in US adults, 1994",
journal="Public health reports (1974)",
year="2000",
author="Gilchrist, Julie and Sacks, Jeffrey J. and Branche, Christine M.",
volume="115",
number="2-3",
pages="110-111",
abstract="unavailable.  Keywords: Drowning; Drowning Prevention; Water Safety",
language="en",
issn="0033-3549",
doi="",
url="http://dx.doi.org/"
}