Sajjad Khan, Najia, Rebecca Craven, Ayesha Rafiq, and Anam Rafiq. “Treatment of Periodontal Disease in Pregnancy for the Prevention of Adverse Pregnancy Outcomes: A Systematic Review of Systematic Reviews”. Journal of the Pakistan Medical Association 73, no. 3 (February 15, 2023): 611–620. Accessed April 29, 2026. https://jpma.org.pk/index.php/public_html/article/view/6432.