141st APHA Annual Meeting and Exposition

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Recorded Annual Meeting Presentations (RAMP) are now available for purchase.
Only $90 for presenters, $140 for registered attendees and $200 for non-attendees.

Online Program

Jan Gryczynski, PhD

Friends Research Institute
Baltimore, MD
USA jgryczynski@friendsresearch.org

4030.0 Prevalence of substance-specific DSM-IV drug use disorders among drug users: National u.s. estimates of differences by gender, race/ethnicity, and type of drug