Drugs and Myasthenia Gravis, An Update
Arch Int Med 157:399-408, Wittbrodt,E.T., 1997
Interactions Between Calcium Channel Blockers and the Anticonvulsants Carbamazepine and Phenytoin
Neurol 41:740-742, Bahls,F.H.,et al, 1991
A Reduction in Verapamil Concentrations with Phenytoin
NEJM 325:1179, Woodcock,B.G.,et al, 1991