Author

Kathleen M. Carroll, Ph.D.

Yale University

Acknowledgements

Disclaimer

The opinions expressed herein are the views of the author and do not necessarily reflect the official policy or position of the National Institute on Drug Abuse or any other part of the U.S. Department of Health and Human Services.

Public Domain Notice

All material appearing in this report except the forms (Exhibit 9, Exhibit 13 and Exhibit 14) is in the public domain and may be reproduced without permission from the National Institute on Drug Abuse or the author. Citation of the source is appreciated.

National Institute on Drug Abuse
NIH Publication Number 98-4308
Printed April 1998

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