Shrestha, Surendra Man. “Gingival Crevicular Fluid in Periodontitis”. Journal of Nepalese Society of Periodontology and Oral Implantology 2, no. 2 (December 31, 2018): 33. Accessed November 24, 2024. https://nepjol.info./index.php/jnspoi/article/view/23609.