Wati, Sisca Meida, Istiati Istiati, and Pratiwi Soesilawati. 2014. “Characterization of Lactoferrin in Gingival Crevicular Fluid of Chronic Periodontitis Patient”. Dental Journal 47 (3):141-45. https://doi.org/10.20473/j.djmkg.v47.i3.p141-145.