Azelea A, Vasra E, Kadir A. The Effect of Endorphin Message Technique Towards the Decrease of Pain at the First Childbirth in BPM and Society Health Center Palembang. KLS [Internet]. 2019 Mar. 12 [cited 2025 Aug. 11];4(10):79–86. Available from: https://knepublishing.com/index.php/KnE-Life/article/view/3831