Hadi, C., J. Budiman, A. Prasetyo, and C. Pramana. “The Role of Interleukin in Ectopic Pregnancy: A Systematic Review”. Open Access Macedonian Journal of Medical Sciences, vol. 9, no. F, Aug. 2021, pp. 238-45, doi:10.3889/oamjms.2021.6718.