Comparative evaluation of in-vitro effects of Brazilian green propolis and baccharis dracunculifolia extracts on cariogenic factors of streptococcus mutans - Leitão, Denise Pimenta da Silva; Silva Filho, Ademar Alves da; Polizello, Ana Cristina Morseli; Bastos, Jairo Kenupp; Spadaro, Augusto César Cropanese (Biological & Pharmaceutical Bulletin, 2004)