Obstetric admission and maternal mortality in the intensive care unit in Africa: A systematic review and meta-analysis - Alemwork Abie; Molla Getie Mehari; Tenagnework Eseyneh Dagnew; Amare Mebrat Delie; Mihret Melese; Liknaw Workie Limenh; Nigus Kassie Worku; Eneyew Talie Fenta; Dereje Esubalew; Mickiale Hailu (PLoS ONE, 2025)