TY - GEN AU - Demircan,M N TI - Use of intrathecally administered morphine in the treatment of postoperative pain after lumbar spinal surgery: a prospective, double-blind, placebo-controlled study SN - 0148-396X PY - 1992///0618 KW - Humans KW - Injections, Spinal KW - Lumbar Vertebrae KW - surgery KW - Morphine KW - administration & dosage KW - Pain, Postoperative KW - drug therapy N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1097/00006123-199205000-00061 ER -