Clinical outcomes and gingival blood flowmetry of two types of subepithelial connective tissue graft for root coverage in multiple gingival recessions: a preliminary study - Ragghianti-Zangrando, Mariana Schutzer; Brondino, Nair Cristina Margarido; Damante, Carla Andreotti; Balderrama, Ísis de Fátima; Veronesi, Giovana Fuzeto; Cardoso, Matheus Völz; Sant'Ana, Adriana Campos Passanezi (The International Journal of Periodontics & Restorative Dentistry, 2021)