Clinical comparison of the subepithelial connective tissue versus platelet-rich fibrin for the multiple gingival recession coverage on anterior teeth using the tunneling technique - Cabrera Pazmiño, Victor Fabrizio; Riquelme-Rodas, Miguel Augusto; Barrios Cáceres, Carlos David; Renault Duarte, Guillermo Gustavo; Cano Azuaga, Melanie Vanesa; Paula, Bruna Luísa de; Caliente, Eliana Aparecida; Soares, Simone; Silveira, Elcia Maria Varize (Case Reports in Dentistry, 2017)