AL-SHUHAYEB, Muna et al. Application of Platelet Rich Fibrin in the Regeneration of Intra Oral Defects: A Systematic Review. Journal of Contemporary Medical Sciences, [S.l.], v. 5, n. 4, aug. 2019. ISSN 2413-0516. Available at: <http://www.jocms.org/index.php/jcms/article/view/635>. Date accessed: 14 dec. 2019.