Evaluation of a group antenatal care intervention in two Northern Nigerian states: Quasi-experimental study - William Douglas Evans; Jeffrey Bartlett Bingenheimer; Taiseer Zaman; Chinwe Lucia Ochu; Samson Babatunde Adebayo; Fasiku Adekunle David; Sani Ali Gar; Masduk Abdulkarim (PLoS ONE, 2025)