title: Evaluation of CSF neuropeptides and peptidase activities in primary headaches.
mesh_terms: D000328:Adult; D004744:Enkephalin, Methionine / Q000134:cerebrospinal fluid; D006261:Headache / Q000134:cerebrospinal fluid* / Q000201:enzymology; D006801:Humans; D008875:Middle Aged; D009479:Neuropeptides / Q000134:cerebrospinal fluid*; D010447:Peptide Hydrolases / Q000134:cerebrospinal fluid*; D011863:Radioimmunoassay; D013004:Somatostatin / Q000134:cerebrospinal fluid; D013373:Substance P / Q000134:cerebrospinal fluid
chemical_list: D009479:Neuropeptides; D013373:Substance P; D013004:Somatostatin; D004744:Enkephalin, Methionine; D010447:Peptide Hydrolases