Relationship of subgingival and salivary microbiota to gingival overgrowth in heart transplant patients following cyclosporin a therapy - Romito, Giuseppe Alexandre; Saraiva, Luciana; Pustiglioni, Alessandro Nautili; Stolf, Noedir Antônio Groppo; Pustiglioni, Francisco Emílio; Lotufo, Roberto Fraga Moreira (Journal of Periodontology, 2004)