1. Variation in concentration of thiocyanate in relation to tobacco smoke;Armenio;Chem. Abstr.,1953
2. The occurrence of periodontal disease in germ free mice;Baer;J. Dent. Res.,1959
3. Effects of tobacco smoke on plaque development and gingivitis;Bastiaan;J. Periodontol.,1978
4. The effect of smoking on the antilactobacillus system in saliva;Courant;Odontol. Revy.,1967
5. Thiocyanate in saliva and sputum. Relationship to smoking and industrial exposures;Dacre;Arch. Environ. Health,1970