Fitrianingsih J, Fitriani F, Yulis DM. Effectiveness of Endorphin Massage for Pain Reduction During the Active Phase of First-Stage Labor: A Quasi-Experimental Pretest–Posttest Study. med [Internet]. 2025 Dec. 3 [cited 2025 Dec. 7];20(2):387-96. Available from: https://ojs3.poltekkes-mks.ac.id/index.php/medkes/article/view/1711