title: [Chronic headache].
mesh_terms: D000118:Acetylglucosaminidase / Q000652:urine; D000328:Adult; D000368:Aged; D000626:Aminopeptidases / Q000652:urine; D018826:CD13 Antigens; D002908:Chronic Disease; D005260:Female; D006261:Headache / Q000188:drug therapy* / Q000523:psychology / Q000652:urine; D006801:Humans; D008297:Male; D008875:Middle Aged; D009340:Nefopam / Q000627:therapeutic use; D014196:Trazodone / Q000627:therapeutic use
chemical_list: D009340:Nefopam; D000118:Acetylglucosaminidase; D000626:Aminopeptidases; D018826:CD13 Antigens; D014196:Trazodone
vernacular_title: Cefalee croniche.