1. Dr Black’s conclusions reviewed again;Black;Dent. Cosmos,1898
2. The microorganisms of the human mouth;Miller,1890
3. A contribution to the study of dental enamel;Williams;Dent. Cosmos.,1897
4. Structure of the microbial flora associated with periodontal health and disease in man;Listgarten;J. Periodontol.,1976
5. Microbial biofilms;Costerton;Annu. Rev. Microbiol.,1995