Comparative analysis of haloperidol and reduced haloperidol plasma levels in different ethnic populations : Wen-Ho Chang, M.D., Michael W. Jann, Pharm.D., Francis Y.F., Lam, Pharm.D., Hai-Gwo Hwu, M.D., Teng-Yi Chen, M.D., Shih-Ku Lin, M.D., Larry Ereshefsky, Pharm.D., Stephen R. Saklad, Pharm.D., Ann L. Richards, Pharm.D., William M. Schulteis, M.D. Taipei City Psychiatric Center (T.Y.C., S.K.L.), National Taiwan University Hospital (H.G.H.), Taipei, Taiwan, ROC. Mercer University, Atlanta, GA (M.W.J.), The University of Texas, Austin (F.Y.F.L., L.E., S.R.S.), San Antonio (A.L.R.), and Houston (C.M.D.), TX, San Antonio State Hospital (S.R.S., A.L.R.), San Antonio, TX, and Kerrville State Hospital (W.M.S.), Kerrville, TX.