Hưng, B. T., and C. T. H. . Trang. “15. Evaluation on the Analgesic Effect of Electroacupuncture on Postoperative Endoscopic Cholecystolithotomy Patients”. Journal of Medical Research, vol. 158, no. 10, Oct. 2022, pp. 119-26, doi:10.52852/tcncyh.v158i10.1036.