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

• 目的研究服用苯妥英钠（DPH），癫痫（EP）患者唾液与血清中DPH浓度关系，探讨测定唾液中DPH浓度替代血药浓度的可行性。