1. Sophora alopecuroides L;Ligaa,1996
2. Streptococcus mutans serotypes: Some aspects of their identification, distribution, antigenic shifts, and relationship to caries;Bratthal;J Dent Res,1976
3. Biology, immunology, and cariogenicity of Streptococcus mutans;Hamada;J Bacteriol Rev,1980
4. Bacterial specificity in the etiology of dental caries;Van Houte;Int Dent J,1980
5. Microbiology of dental caries;Tanzer,1992