OBIOZOR, Anthony Ayaegbunam; IMO, Augustine Onuegbuchi C. Sonographic estimation of fetal heart rate in healthy pregnant women in Umuahia South East Nigeria. West African Journal of Radiology, [S. l.], v. 29, n. 2, p. 97–100, 2025. DOI: 10.82235/wajr.vol29no2.50. Disponível em: https://wajr.org/index.php/home/article/view/50. Acesso em: 15 mar. 2026.