Effect of a 0.5% chlorhexidine gel on dental plaque superinfecting microorganisms in mentally handicapped patients - Pannuti, Cláudio Mendes; Lotufo, Roberto Fraga Moreira; Cai, Silvana; Saraiva, Maria da Conceição; Freitas, Nívea Maria de; Falsi, Danilo (Pesquisa Odontologica Brasileira, 2003)