Perić, M Serum vitamin D levels and chronic periodontitis in adult, Caucasian population-a systematic review. [electronic resource] - Journal of periodontal research Oct 2018 - 645-656 p. digital Publication Type: Journal Article; Systematic Review ISSN: 1600-0765 Standard No.: 10.1111/jre.12560 doi Subjects--Topical Terms: AdultChronic Periodontitis--bloodHumansVitamin D--bloodWhite People