Superinfecting microorganisms in patients under treatment with cyclosporin-A and its correlation to gingival overgrowth - Romito, Giuseppe Alexandre; Lotufo, Roberto Fraga Moreira; Saraiva, Luciana; Pustiglioni, Alessandro Nautili; Pustiglioni, Francisco Emílio; Stolf, Noedir Antônio Groppo (Pesquisa Odontológica Brasileira, 2003)