1. Comparative in vitro activity of sanguinarine against oral microbial isolates;Dzink;Antimicrob. Agents Chemother,1985
2. Plants used for teeth cleaning through out the world;Elvin-Lewis;J. prevent. Dent.,1980
3. Clinical, microbiological and immunological features of subjects with refractory periodontal diseases;Haffajee;J. clin. Periodont,1988
4. Chemical analysis of microbial cells;Herbert,1971
5. Prevention of dental caries by oriental folk medicines—active principles of Zizyphi Fructus for inhibition of insoluble glucan formation by cariogenic bacterium Streptococcus mutans;Kohda;Planta Medica,1985