Adults' drug use: relationship to perceived drug use of parents, friends while growing up, and present friends
Alcohol use in methadone maintenance clinics
Current drug involvement among Vietnam and non-Vietnam veterans
Is phencyclidine (PCP) abuse associated with organic mental impairment?
Mortality rates of persons entering methadone maintenance: a seven-year study
Use of Michigan Alcoholism Screening Test with hospitalized alcoholics, psychiatric patients, drinking drivers, and social drinkers in New Zealand