Shrestha, R., S. Pradhan, and G. Baral. “Prevalence of Gingivitis in Second Trimester of Pregnancy”. Kathmandu University Medical Journal 20, no. 3 (September 30, 2022): 301–306. Accessed November 21, 2024. https://nepjol.info/index.php/KUMJ/article/view/53935.