TY - GEN AU - Perriss,B W TI - Intrathecal morphine SN - 0003-3022 PY - 1980///0828 KW - Anesthesia, Obstetrical KW - Female KW - Humans KW - Injections, Spinal KW - Morphine N1 - Publication Type: Letter UR - https://doi.org/10.1097/00000542-198007000-00023 ER -