RT Book T1 Narcotic antagonists: the search for long-acting preparations T2 NIDA research monograph series T2 DHEW publication ADM JF NIDA research monograph A2 Willette, Robert LA English PP Rockville, Md. PB National Institute on Drug Abuse, Superintendent of Documents YR 1976 ED Repr. UL https://krimdok.uni-tuebingen.de/Record/1098920287