“The RELATION OF NEUTROPHIL ELASTASE LEVEL WITH TISSUE DESTRUCTION IN GINGIVITIS AND PERIODONTITIS: HUBUNGAN KADAR NEUTROFIL ELASTASE DENGAN KERUSAKAN JARINGAN PERIODONTAL PADA GINGIVITIS DAN PERIODONTITIS” (2017) Dentika: Dental Journal, 20(2), pp. 66–71. doi:10.32734/dentika.v20i2.160.