Headache after spinal anesthesia for cesarean section: a comparison of the 27-gauge Quincke and 24-gauge Sprotte needles.
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D000773:Anesthesia, Obstetrical; D000775:Anesthesia, Spinal; D002585:Cesarean Section; D005260:Female; D006261:Headache / Q000209:etiology*; D006801:Humans; D009339:Needles / Q000009:adverse effects*; D011247:Pregnancy; D013129:Spinal Puncture / Q000009:adverse effects* / Q000295:instrumentation