Calcium Supplementation During Pregnancy for Preventing Hypertensive Disorders Is not Associated with Changes in Platelet Count, Urate, and Urinary Protein: a Randomized Control Trial. - Hofmeyr, G. J.; Mlokoti, Z.; Nikodem, V. C.; Mangesi, L.; Ferreira, S.; Singata, M.; Jafta, Z.; Merialdi, M.; Hazelden, C.; Villar, J. (Hypertension in Pregnancy, 2008)