Sartika, Sartika, and Noorlinda Noorlinda. “Reducing Labor Pain through Endorphin Massage: Clinical Evidence from Indonesia”. Journal of Current Health Sciences 5, no. 3 (July 8, 2025): 169–176. Accessed July 25, 2026. https://ukinstitute.org/journals/2/jchs/article/view/126.