TY - JOUR CN - HE 20.8212/ CN - RC563 CY - Rockville, Md. : DA - 1984- ID - 156348 KW - Drug abuse KW - Street Drugs PB - U.S. Dept. of Health and Human Services, Public Health Service, Alcohol, Drug Abuse, and Mental Health Administration, National Institute on Drug Abuse, Division of Epidemiology and Statistical Analysis, PP - Rockville, Md. : PY - 1984- SN - 0884-2132 T1 - Semiannual report :data from the Drug Abuse Warning Network. TI - Semiannual report :data from the Drug Abuse Warning Network. ER -