Dr. Nitesh Anand. COMPARATIVE ESTIMATION OF LEVEL OF TNF- ? IN GINGIVAL CREVICULAR FLUID AND BLOOD SERUM IN PATIENT WITH CHRONIC PERIODONTITIS BEFORE AND AFTER SCALING AND ROOT PLANING: A BIOCHEMICAL STUDY. ijmsdr [Internet]. 2019 Oct. 30 [cited 2025 Jul. 10];3(10). Available from: https://ijmsdr.com/index.php/ijmsdr/article/view/501