Ramachandra, C., Rekha, R., Roopa, R., Shankaregowda, S. and Y.S., N. (2016) “Comparative study of the serum calcium level in normal pregnancy and pre-eclamptic women in a tertiary centre in India”, International Journal of Medical Research and Review, 4(5), pp. 834- 838. doi: 10.17511/ijmrr.2016.i05.29.