Ngoc N, Thuy N, Thuy P. Clinical efficacy of enamel matrix derivative in treatment of periodontal intra-bony defects. Science and Technology Development Journal: Health Sciences [Internet]. 4May2021 [cited 22Dec.2024];2(2):155-61. Available from: http://stdjhs.scienceandtechnology.com.vn/index.php/stdjhs/article/view/462