InturrisiCE, UmansJG. Pethidine and its active metabolite, norpethidine. Clin Anesth1983;1:123–38.
2.
MooreRA, BullinghamRE, McQuayHJ. Dural permeability to narcotics: in vitro determination and application to extradural administration. Br J Anaesth1982;54:1117–28.
3.
NordbergG, HansdottirV, BondessonU.CSF and plasma pharmacokinetics of meperidine and normeperidine in man after epidural and intrathecal administration of meperidine. Eur J Clin Pharmacol1998;34:624–31.
4.
VrankenJH, van der VegtMH, van KanHJ, KruisMR. Plasma concentrations of meperidine and normeperidine following continuous intrathecal meperidine in patients with neuropathic cancer pain. Acta Anaesthesiol Scand2005;49:665–70.
5.
NaranjoCA, BustoU, SellersEM. A method for estimating the probability of adverse drug reactions. Clin Pharmacol Ther1981;30:239–45.
