A double-blind, placebo-controlled interaction study between oxcarbazepine and carbamazepine, sodium valproate and phenytoin in epileptic patients. - McKee,P.J.; Blacklaw,J.; Forrest,G.; Gillham,R.A.; Walker,S.M.; Connelly,D.; Brodie,M.J. (Br J Clin Pharmacol, 1994)