4、ofPsychiatry,HongkongQueenMaryHospital,Hongkong999077,China;4.DepartmentofNeurology,FirstHospitalAffiliatedSUNYAT-SENUniversity,Guangzhou510080,China) 【Abstract】Objective:ToinvestigatetheaffectonthebiologicactivityofhepatomaHepa1-6celllineofnegativeoxygenionsinvitro. Met