Lee, Che-Hsiung, et al. “Comparison of the Effectiveness of Local Anesthesia for the Digital Block Between Single-Volar Subcutaneous and Double-Dorsal Finger Injections: A Systematic Review and Meta-Analysis of Randomized Control Trials”. Journal of Plastic Surgery and Hand Surgery, vol. 57, no. 1-6, Feb. 2023, pp. 285-98, doi:10.1080/2000656X.2022.2070177.