title: Editorial: The lumbar puncture.
mesh_terms: D002555:Cerebrospinal Fluid / Q000166:cytology; D004677:Encephalocele / Q000209:etiology; D004906:Erythrocyte Count; D006261:Headache / Q000209:etiology; D006400:Hematocrit; D006408:Hematoma, Subdural / Q000209:etiology; D006801:Humans; D008722:Methods; D009339:Needles; D013129:Spinal Puncture / Q000009:adverse effects* / Q000295:instrumentation