1. Patrelli TS, Dall’asta A, Gizzo S, Pedrazzi G, Piantelli G, Jasonni VM, et al. Calcium supplementation and prevention of pre-eclampsia: a meta-analysis. J Matern Fetal Neonatal Med. 2012;12:2570–4.
2. World Health Organization, Global Program to Conquer Pre-eclampsia, 2002.
3. Dolea C, Abouzahr C (editors). Global burden of hypertensive disorders of pregnancy in the year 2000. In: Global burden of diseases. Geneva: World Health Organization; 2000.
4. Shah A, Fawole B, M’Imunya JM, Amokrane F, Nafiou I, Wolomby J-J, et al. Caesarean delivery outcomes from the WHO global survey on maternal and perinatal health in Africa. I J Obstet Gynecol. 2009;107(3):191–7.
5. McClure EM, Saleem S, Pasha O, Goldenberg RL. Stillbirth in developing countries: a review of causes, risk factors and prevention strategies. J Matern Fetal Neonatal Med. 2009;22(3):191–7.