The comparative incidence of postlumbar puncture headache following spinal anesthesia administered through 20 and 24 gauge needles.
D000758:Anesthesia; D000775:Anesthesia, Spinal / Q000150:complications*; D006261:Headache / Q000209:etiology*; D006801:Humans; D015994:Incidence; D009339:Needles; D051299:Post-Dural Puncture Headache
ANESTHESIA, SPINAL/complications; HEADACHE/etiology and pathogenesis