ESTIMATION OF KI-67 EXPRESSION IN GINGIVAL TISSUES: A CROSS-SECTIONAL STUDY OF SMOKERS AND NON-SMOKERS WITH AND WITHOUT CHRONIC PERIODONTITIS: Neetha, Sownderya et al. CMN. 2024;6(2):6731-6733. Accessed August 22, 2025. http://cahiersmagellanes.com/index.php/CMN/article/view/1001