“HUBUNGAN POLIMORFISME GEN VITAMIN D RESEPTOR DENGAN PERIODONTITIS KRONIS: POLYMORPHISM OF VITAMIN D RECEPTOR GENE IS ASSOCIATED WITH CHRONIC PERIODONTITIS”, Dentika Dental J., vol. 16, no. 2, pp. 121–125, Dec. 2011, doi: 10.32734/dentika.v16i2.1826.