Gashaw A, Figa Z, Abebe Y, Demeke AD, Sime Y. Knowledge and utilization of obstetric ultrasound and associated factors among pregnant mother in Africa: a systematic review and meta-analysis. Ultrasound J [Internet]. 2025 Mar. 3 [cited 2026 Jan. 30];17(1):17. Available from: https://www.mattioli1885journals.com/index.php/theultrasoundjournal/article/view/18131