Sarastry, R., C. Layarta, U. Aladini, and B. A. Pramono. “Delivery Routes in Pregnancy With COVID-19 and the Risk of Intrapartum Vertical Transmission: A Meta-Analysis”. Medical Journal of Indonesia, Vol. 30, no. 2, June 2021, pp. 116-22, doi:10.13181/mji.oa.214779.