because both negative symptoms and noradrenergic activity appear to increase with psychotic relapse , we studied negative symptoms , psychosis , cerebrospinal fluid norepinephrine , and cerebrospinal fluid monoamine metabolites in 32 male patients with a dsm-iii diagnosis of schizophrenia while both receiving and not receiving long-term haloperidol treatment .
C0036341
schizophrenia
C0018546
haloperidol