Andonova, Irena, and Vasil Iliev. “Oral Anaerobic Microflora and Pregnancy Complication”. Open Access Macedonian Journal of Medical Sciences 9, no. B (December 5, 2021): 1681–1685. Accessed May 7, 2024. https://oamjms.eu/index.php/mjms/article/view/7601.