Uzunkaya M, Gundogar H. Evaluation of periostin levels in gingival crevicular fluid and peri-implant sulcus fluid in patients with periodontal and peri-implanter disease: A cross-sectional study . annalsmedres [Internet]. 2021 May 25 [cited 2024 Dec. 22];26(10):2093-7. Available from: http://annalsmedres.org/index.php/aomr/article/view/1821