The relation ship between the salivary and the blood Diphenylhydantoin (DPH) Levels in the epileptic (EP) patients with oral dosing DPH were studied.

目服用苯妥英钠（DPH），癫痫（EP）患者唾液与清中DPH关系，探讨测定唾液中DPH代药可行性。