![Treatment of gingival recession defects with a coronally advanced flap and a xenogeneic collagen matrix: a multicenter randomized clinical trial]()
Treatment of gingival recession defects with a coronally advanced flap and a xenogeneic collagen matrix: a multicenter randomized clinical trialJepsen, Karin; Jepsen, Søren; Zucchelli, Giovanni; Stefanini, Martina; de Sanctis, Massimo; Baldini, Nicola; Greven, Björn; Heinz, Bernd; Wennström, Jan; Cassel, Björn; Vignoletti, Fabio; Sanz, Mariano · Journal of Clinical Periodontology · 2013