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