Ngoc Chi Lan, et al. “STUDY ON BRAIN STEM AUDITORY EVOKED POTENTIALS ON NORMAL HUMANS BEFORE AND AFTER ACUPUNCTED TINGGONG, WANGU, YANGCHI, QIUXU AND TAIXI”. Cantho Journal of Medicine and Pharmacy, no. 57, Feb. 2023, pp. 140-6, doi:10.58490/ctump.2023i57.607.