Malgikar DS, P DM. Is salivary fluoride a better noninvasive indicator of progressive periodontal disease than invasive serum fluoride – A Cross Sectional study. ijmsci [Internet]. 2018 Apr. 30 [cited 2024 May 6];5(4):3756-9. Available from: http://valleyinternational.net/index.php/ijmsci/article/view/1174