Conventional versus flap-protected free gingival graft: a multicenter randomized clinical trial - Almeida, Vanessa Camillo de; Pannuti, Claudio Mendes; Ferreira, Marcelo Sirolli; Lazarin, Rafael de Oliveira; Romito, Giuseppe Alexandre; Jung, Ronald Ernst; Tatakis, Dimitris Nikolaos; Silva, Cleverson de Oliveira e; César Neto, João Batista (Brazilian Oral Research, 2023)