M. E. A. G. Siregar, H. S. Siregar, M. P. Lubis, I. Adenin, and I. L. Lumbanraja, “OVERVIEW OF COVID-19 CASES IN PREGNANCY AT THE HOSPITAL UNIVERSITAS SUMATERA UTARA, INDONESIA, WHEN THE PANDEMIC STORM HIT IN THE 2020-2022 PERIOD. : COVID-19 Cases In Pregnancy ”, Afr. J. Infect. Dis., vol. 17, no. 2 S, pp. 19–24, Aug. 2023.