title: The beneficial dural tap.
authors.affiliation: Department of Anaesthetics, Ninewells Hospital and Medical School, Dundee.
authors.forename: M G
authors.initials: MG
authors.lastname: Serpell
mesh_terms: D000367:Age Factors; D000368:Aged; D000775:Anesthesia, Spinal / Q000009:adverse effects* / Q000295:instrumentation / Q000379:methods; D005260:Female; D006261:Headache / Q000453:epidemiology / Q000209:etiology*; D006801:Humans; D009339:Needles / Q000592:standards