United States text Rockville,MD U.S. dept. of Health and Human Services, Substance Abuse and Mental Health Services Administration 2006 monographic Title from PDF t.p. (publisher's web site, on Mar. 7, 2007). Drug Abuse Warning Network. Drug abuse Drugs Overdose Hospital Emergency services Emergency medical services 20.416/3-4: 20.416/3-4: http://purl.access.gpo.gov/GPO/LPS79338 http://purl.access.gpo.gov/GPO/LPS79338 20160527183908.0 300835