Pinset , A., Chumin, C., Thongsud, J., Sakkarin , P., Kueana, M., Saisamphran, W., Duangkaew, K., Morya, S. and Chaichana, N. 2026. Effects of Herbal Balm on Pain Relief from Primary Dysmenorrhea in Nursing Students. Journal of Thailand Nursing and Midwifery Council . 41, 03 (Jul. 2026), 391–406. DOI:https://doi.org/10.60099/jtnmc.v41i03.275719.