Burnett GW, Bhavsar A, Hojsak S, Jeng C, et al. Ultrasound Gel versus Saline for Acoustic Coupling in Ultrasound-Guided Regional Anesthesia: A Randomized, Cross-Over, Simulation Study. Anesth Analg 2025 May 23. doi: 10.1213/ANE.0000000000007585.
PMID: 40408299