A randomized, double-blind clinical trial comparing the 22 versus 26 gauge needle in the production of the post-lumbar puncture syndrome in normal individuals.
D000328:Adult; D001416:Back Pain / Q000209:etiology; D002986:Clinical Trials as Topic; D005260:Female; D006261:Headache / Q000209:etiology*; D006801:Humans; D008297:Male; D009325:Nausea / Q000209:etiology; D009339:Needles; D012737:Sex Factors; D013129:Spinal Puncture / Q000009:adverse effects*