Effects of smoking, CYP2D6 genotype, and concomitant drug intake on the steady state plasma concentrations of haloperidol and reduced haloperidol in schizophrenic inpatients - Pan,L.; Vander Stichele,R.; Rosseel,M.T.; Berlo,J.A.; De Schepper,N.; Belpaire,F.M. (Ther Drug Monit, 1999)