The Effectiveness of the Influence of the Second Generation Platelet-rich Fibrin in the Treatment of Localized Individual Miller I and II Gingival Recessions (Case Report) - Aneta Terzievska , Daniela Veleska-Stevkovska , Gordana Apostolova , Zaklina Mencheva, Stavre Trajculeski (South East European Journal of Immunology,2023; 6(1):62-69, 2023)