G. J. Hofmeyr,A. H. Seuc,A. P. Betran,T. D. Purnat,A. Ciganda,S. P. Munjanja,S. Manyame,M. Singata,S. Fawcus,K. Frank,D. R. Hall,G. Cormick,J. M. Roberts,E. F. Bergel,S. K. Drebit,P. Von Dadelszen,J. M. Belizan and G. Calcium Pre-Eclampsia Study. The effect of calcium supplementation on blood pressure in non-pregnant women with previous pre-eclampsia: An exploratory, randomized placebo controlled study. Pregnancy Hypertension-an International Journal of Womens Cardiovascular Health. 2015;5(4):10.1016/j.preghy.2015.04.001.