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, JP Vogel, L. Smits,G. Carroli,H. Mistry,T. Young,ZP Qureshi,G. Cormick, KIE Snell, E. Abalos, JP Pena-Rosas, KS Khan, KK Larbi, A. Thorson,M. Singata-Madliki, GJ Hofmeyr, M. Bohren,R. Riley,AP 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.