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. International Journal of Medical Science And Diagnosis Research, [S. l.], v. 3, n. 10, 2019. Disponível em: https://ijmsdr.com/index.php/ijmsdr/article/view/501. Acesso em: 10 jul. 2025.