Elevated Carbamazepine Levels Associated with Diltiazem Use
Neurol 42:937-938, Shaughnessy,A.F.&Mosley,M.R., 1992
Interactions Between Calcium Channel Blockers and the Anticonvulsants Carbamazepine and Phenytoin
Neurol 41:740-742, Bahls,F.H.,et al, 1991