1. Indications for the use of intraspinal opioids;Rawal,1990
2. Regional Opioid Analgesia: Physiopharmacological Basis, Drugs, Equipment and Clinical Application;DeCastro,1991
3. Interactions between epidurally and intrathecally administered sufentanil and bupivacaine in hydroxypropyl-β-cyclodextrin in the rat;Meert;Acta Anaesthesiol Belg,1992
4. Local anesthetics potentiate spinal morphine antinociception;Åkerman;Anesth Analg,1988
5. Interaction of intrathecal morphine with bupivacaine and lidocaine in the rat;Penning;Anesthesiology,1992