Results from the... National Survey on Drug Use and Health.

Rockville,MD Dept. of Health and Human Services, Substance Abuse and Mental Health Services Administration, Office of Applied Studies 2005 , Title from PDF cover (publisher's web site, viewed on Jan. 11, 2007).

The NSDUH report

Rockville,Md. U.S. Dept. of Health & Human Services, Substance Abuse &Mental Health Services Administration, Office of Applied Studies 2003 , Title from PDF caption (publishier's Web site Feb. 24,2004).

PUCPR Search for 'an:257583'

Results from the... National Survey on Drug Use and Health.

The NSDUH report