Pramana, Putu H. I., et al. “Maternal and Perinatal Outcomes of COVID-19 in Pregnant Women : Luaran Maternal Dan Perinatal Pada Ibu Hamil Dengan COVID-19”. Indonesian Journal of Obstetrics and Gynecology, vol. 9, no. 4, Oct. 2021, pp. 223-9, doi:10.32771/inajog.v9i4.1532.