Suparman, E. (2016) “Correlation between level of serum estrogen, c-telopeptide, and interleukin-6 in determining bone density in perimenopausal women”, Indonesian Journal of Obstetrics and Gynecology, 34(2). Available at: https://inajog.com/index.php/journal/article/view/244 (Accessed: 8 May 2026).