Diagnostic accuracy of ultrasound versus MRI in the evaluation of placenta previa and its variants: A multicentric retrospective cross-sectional study. SJHR-Africa [Internet]. 1 decembrie 2025 [citat 14 august 2026];6(12):7. Disponibil la: https://sjhrafrica.org.sjhresearchafrica.org/index.php/public-html/article/view/2237