Sihombing, Yanna Rotua, Romauli Anna Teresia Marbun, Aminah. S, and Fitri Siska. “Effect of Guazuma Ulmifolia Lamk. Extract on Interleukin-1 and Interleukin-2 Levels As Immunomodulatory Agent Candidates ”. Science Midwifery 12, no. 4 (October 7, 2024): 1493–1499. Accessed June 1, 2026. https://midwifery.iocspublisher.org/index.php/midwifery/article/view/1714.