@article{ref1,
title="The instructional program on drugs and hazardous substances in the San Francisco Unified School District, 1969-1970",
journal="Clinical toxicology (Dekker)",
year="1970",
author="Todd, F.",
volume="3",
number="2",
pages="291-300",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0009-9309",
doi="10.3109/15563657008990480",
url="http://dx.doi.org/10.3109/15563657008990480"
}