Butt, Hira, Nauman Khan, Fizza tahir, and Maila Habib Piracha. “Periodontal and Gingival Health of Pregnant Women in Comparison to Non-Pregnant Women”. Pakistan Armed Forces Medical Journal 72, no. 2 (May 1, 2022): 551–54. Accessed April 20, 2024. https://pafmj.org/PAFMJ/article/view/5463.