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Comparison of modified anterior and traditional posterior accesses for ultrasound-guided superior laryngeal nerve block in awake endotracheal intubation: study protocol for a randomised non-inferiority clinical trial.
Yusi Hua
Qiyuan Huang
Guo Chen
Tao Zhu
Published in:
BMJ open (2023)
ChiCTR2200058086.
Keyphrases
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clinical trial
ultrasound guided
open label
double blind
phase ii
study protocol
fine needle aspiration
cardiac arrest
deep brain stimulation
phase iii
placebo controlled
randomized controlled trial