title: Estimation of daily (5 HIAA 5-hydroxyindole acetic acid) excretion in cases of chronic recurrent headache.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002908:Chronic Disease; D005260:Female; D006261:Headache / Q000652:urine*; D006801:Humans; D006897:Hydroxyindoleacetic Acid / Q000652:urine*; D008297:Male; D008875:Middle Aged; D012008:Recurrence
chemical_list: D006897:Hydroxyindoleacetic Acid