“The Effect of Valerian Root Extract on Reducing Dysmenorrhea Pain Levels and Endorphin Hormone Levels in Women of Childbearing Age”. Archives of The Medicine and Case Reports 4, no. 3 (August 23, 2023): 428–431. Accessed August 19, 2026. https://hmpublisher.com/index.php/AMCR/article/view/350.