title: Relationships between CSF levels of endorphins and monoamine metabolites in chronic pain patients.
mesh_terms: D000328:Adult; D000368:Aged; D001679:Biogenic Amines / Q000134:cerebrospinal fluid*; D002908:Chronic Disease; D004723:Endorphins / Q000134:cerebrospinal fluid*; D005260:Female; D006719:Homovanillic Acid / Q000134:cerebrospinal fluid; D006801:Humans; D006897:Hydroxyindoleacetic Acid / Q000134:cerebrospinal fluid; D008297:Male; D008875:Middle Aged; D010146:Pain / Q000134:cerebrospinal fluid* / Q000209:etiology / Q000523:psychology; D011602:Psychophysiologic Disorders / Q000134:cerebrospinal fluid
chemical_list: D001679:Biogenic Amines; D004723:Endorphins; D006897:Hydroxyindoleacetic Acid; D006719:Homovanillic Acid