using either haloperidol or perphenazine in a fixed-dose protocol , plasma free homovanillic acid ( hva ) and methoxyhydroxyphenethylglycol ( mhpg ) were decreased in 37 nonorganic psychotic inpatients at neuroleptic steady state ( 7-9 days ) in comparison with pretreatment values .
C0018546
haloperidol
C0040615
neuroleptic