Hằng, N.T.T. and Hoa, N.Q. 2025. 47. Efficacy of combined electroacupuncture, acupressure massage and shortwave diathermy on pain reduction and heel-to-buttock index in primary knee osteoarthritis. Journal of Medical Research. 195, 10 (Oct. 2025), 439-449. DOI:https://doi.org/10.52852/tcncyh.v195i10.4127.