Putri, Vriancha A., Karina S. Arto, Aridamuriany D. Lubis, Amos Dangana, and Yao-Hsuan Chiu. “Relationship Between Urinary Bisphenol A and Age at Menarche Among Adolescent Girls: A Study in Sumatera Utara Province, Indonesia”. Narra X 2, no. 2 (September 25, 2024): e161. Accessed May 7, 2026. https://www.narrax.org/main/article/view/161.