various postulated indices of central dopaminergic activity - cerebrospinal fluid ( csf ) dopamine ( da ) , dihydroxy-phenylacetic acid ( dopac ) , homovanillic acid ( hva ) , noradrenaline ( na ) , plasma na , serum prolactin , serum dopamine-hydroxylase ( dbh ) , and platelet monoamine oxidase ( mao ) activity - were measured in 30 drug-free inpatients .
C0282151
dopaminergic
C0013030
dopamine