title: Variation of plasma free tryptophan and CSF 5-HIAA during migraine.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D006897:Hydroxyindoleacetic Acid / Q000134:cerebrospinal fluid*; D008297:Male; D008875:Middle Aged; D008881:Migraine Disorders / Q000097:blood / Q000134:cerebrospinal fluid / Q000378:metabolism*; D014364:Tryptophan / Q000097:blood*
chemical_list: D006897:Hydroxyindoleacetic Acid; D014364:Tryptophan