RT Book T1 Phencyclidine use among youths in drug abuse treatment T2 DHEW publication ADM T2 NIDA services research report JF DHEW publication / ADM A2 Friedman, Alfred S. LA English PP Rockville, Md. PB National Institute on Drug Abuse YR 1978 UL https://krimdok.uni-tuebingen.de/Record/109775930X