title: Postlumbar puncture headache.
authors.forename: K V
authors.initials: KV
authors.lastname: Toyka
mesh_terms: D006261:Headache / Q000209:etiology / Q000517:prevention & control*; D006801:Humans; D009339:Needles; D011446:Prospective Studies; D012307:Risk Factors; D013129:Spinal Puncture / Q000009:adverse effects* / Q000295:instrumentation; D013373:Substance P / Q000032:analysis
chemical_list: D013373:Substance P