1.Objective To investigate the synergistic analgesic action of rotundine combined with subthreshold dose of dolantin.
摘要目的观察罗通定与阈下剂量哌合用后对哌痛作用的影响。
2.Methods The aqueous extract of all grass of Patrina villosa Juss was injected peritoneally to mice or that accompanied with suprathreshold or subthreshold dose of pentobarbital solution.