TY - GEN AU - Ziesat,H A AU - Angle,H V AU - Gentry,W D AU - Ellinwood,E H TI - Drug use and misuse in operant pain patients SN - 0306-4603 PY - 1979///1218 KW - Conditioning, Operant KW - Humans KW - Pain KW - drug therapy KW - Psychotropic Drugs KW - therapeutic use KW - Substance-Related Disorders KW - psychology N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/0306-4603(79)90037-6 ER -