Sihite, B., Sitepu , M., Sukatendel, K. ., Nursani Lumbanraja, S., Helmi Effendi, I., Yaznil, R. and Ardiansyah, E. (2022) “Serological description of neonatal umbilical cord blood from pregnant women confirmed with positive COVID-19 by RT-PCR at Rumah Sakit Umum Pusat H. Adam Malik, Medan, Indonesia”, Majalah Obstetri & Ginekologi, 30(3), pp. 128–133. doi: 10.20473/mog.V30I32022.128-133.