@article{ref1,
title="Alternatives to the traditional substances of abuse in U.S. adolescents",
journal="Przeglad Lekarski",
year="2005",
author="Krenzelok, Edward P.",
volume="62",
number="6",
pages="334-338",
abstract="Abstract unavailable.",
language="",
issn="0033-2240",
doi="",
url="http://dx.doi.org/"
}