Prospective randomized comparison of cerebrospinal fluid aspiration and conventional popping methods using 27-gauge spinal needles in patients undergoing spinal anaesthesia.
J U HanB G KimC YangW H ChoiJ JeongK J LeeHyunzu KimPublished in: BMC anesthesiology (2020)
Clinical research information service number: KCT0002815, registered 21/Apr/2018. Retrospectively registered.