1. Diagnostic and statistical manual of mental disorders;American Psychiatric Association (APA),2000
2. Economic costs of alcohol abuse and alcoholism;Harwood;Recent Dev Alcohol,1998
3. Spending for mental health and substance abuse treatment, 1996;McKusick;Health Aff (Millwood),1998
4. Drug abuse and addiction: 25 years of discovery to advance the health of the people: the sixth triennial report to Congress from the secretary of Health and Human Services;National Institute on Drug Abuse,1999
5. The economic costs of drug abuse in the United States, 1992–1998;Office of National Drug Control Policy,2001