Ningsi YS, Mardliyana NE. The Effect of Endorphin Massage on Back Pain Intensity in Pregnant and Laboring Women: A Literature Review. J. Sport. Nurs. Med. Health [Internet]. 2025 Jul. 29 [cited 2026 May 24];1(01):16-24. Available from: https://journal.pubsains.com/index.php/sportnursmedhealth/article/view/286