H. Umar, J. Tukur, H. Ibrahim, and A. Abdurrahman, “Handheld Doppler Versus Pinard Stethoscope for Intrapartum Foetal Monitoring at A Tertiary Centre in Nigeria: A Randomised Controlled Trial”, AJFMed, vol. 1, no. 1, pp. 14–19, Oct. 2022.