Calcium supplementation to prevent pre-eclampsia: protocol for an individual participant data meta-analysis, network meta-analysis and health economic evaluation

T. Rocha,J. Allotey,A. Palacios,J. P. Vogel,L. Smits,G. Carroli,H. Mistry,T. Young,Z. P. Qureshi,G. Cormick,K. I. E. Snell,E. Abalos,J. P. Pena-Rosas,K. S. Khan,K. K. Larbi,A. Thorson,M. Singata-Madliki,G. J. Hofmeyr,M. Bohren,R. Riley,A. P. Betran and S. Thangaratinam. Calcium supplementation to prevent pre-eclampsia: protocol for an individual participant data meta-analysis, network meta-analysis and health economic evaluation. BMJ Open. 2023;13(5):10.1136/bmjopen-2022-065538.