Wulandari, N. A. R., Ernawati, E., & Aldika Akbar, M. I. (2018). Difference of calcium levels in Javanese, Madurese, and Chinese preeclamptic women. Majalah Obstetri & Ginekologi, 25(3), 86–91. https://doi.org/10.20473/mog.V25I32017.86-91