RT Book T1 Illicit drug use and return to treatment: [national followup study of admissions to drug abuse treatments in the DARP during 1969-1971] T2 DHEW publication ADM T2 NIDA services research report JF DHEW publication / ADM A1 Savage, L. J. A2 Simpson, Dennis D. LA English PP Rockville, Md. PB National Inst. on Alcohol Abuse and Alcoholism YR 1977 UL https://krimdok.uni-tuebingen.de/Record/1097764176