Reasons for Obstetric Scan Among Pregnant Women in Keffi, Nigeria: A Cross-Sectional Study of a Low-Cost Ultrasound Centre. International Journal of Studies in Nursing, [S. l.], v. 5, n. 4, p. p16, 2020. DOI: 10.20849/ijsn.v5i4.843. Disponível em: https://journal.chapjulypress.org/index.php/ijsn/article/view/2557. Acesso em: 7 mar. 2026.