TY - GEN AU - Eledjam,J J TI - [Opioids by the regional route] SN - 0007-9685 PY - 1991///0920 KW - Analgesia, Epidural KW - Analgesics, Opioid KW - administration & dosage KW - Humans KW - Injections, Spinal N1 - Publication Type: Editorial ER -