@article{ref1,
title="Adolescent health in South Africa--urgent action needed",
journal="South African medical journal SAMJ",
year="1993",
author="Yach, Derek",
volume="83",
number="7",
pages="461-462",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0038-2469",
doi="",
url="http://dx.doi.org/"
}