@article{ref1,
title="Apnoeic diving black-out",
journal="South African medical journal SAMJ",
year="1980",
author="Smit, P. J.",
volume="58",
number="18",
pages="708-709",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0038-2469",
doi="",
url="http://dx.doi.org/"
}