title: Finding cerebrospinal fluid during epidural blood patch: how to proceed.
mesh_terms: D000328:Adult; D004824:Epidural Space; D005260:Female; D006261:Headache / Q000209:etiology* / Q000628:therapy; D006801:Humans; D008875:Middle Aged; D013129:Spinal Puncture / Q000009:adverse effects*