title: "Postdural" is an ambiguity.
authors.forename: George W
authors.initials: GW
authors.lastname: Colclough
mesh_terms: D017217:Blood Patch, Epidural; D006261:Headache / Q000209:etiology* / Q000628:therapy; D006801:Humans; D013129:Spinal Puncture / Q000009:adverse effects*; D009626:Terminology as Topic