TY - JOUR T1 - Detection of streptococcus mutans and streptococcus sobrinus in dental plaque samples from Brazilian preschool children by polymerase chain reaction JO - Brazilian Dental Journal A1 - Franco e Franco, Teresa Cristina Costa A1 - Amoroso, Patrícia A1 - Marin, José Moacir A1 - Ávila, Fernando Antonio de SN - 0103-6440 UL - 10.1590/S0103-64402007000400011 VL - 18 Y1 - 2007 PB - Brasil ER -