Almeida, P. F. de, Franca, M. P., Santos, S. P., Moreira, R. S. and Tunes, U. da R. (2002) “Streptococci microbiota associated with initial formation of dental plaque”, Journal of Medical and Biological Sciences, 1(1), pp. 33–41. doi: 10.9771/cmbio.v1i1.4100.