TY - GEN AU - Simmons,S W TI - Intrathecal morphine dilution SN - 0310-057X PY - 2007///1210 KW - Analgesics, Opioid KW - administration & dosage KW - Drug Compounding KW - methods KW - Humans KW - Injections, Spinal KW - Morphine N1 - Publication Type: Comment; Letter ER -