TY - GEN AU - Foley,K M AU - Inturrisi,C E TI - Intrathecal beta-endorphin SN - 0140-6736 PY - 1980///1027 KW - Drug Tolerance KW - Endorphins KW - administration & dosage KW - Humans KW - Injections, Spinal KW - Narcotics KW - Pain, Intractable KW - drug therapy N1 - Publication Type: Letter UR - https://doi.org/10.1016/s0140-6736(80)90263-9 ER -