1. Studies of the microbiology of periodontosis;Newman;J Periodontol,1976
2. Structure of the microbial flora associated with periodontal health and disease in man;Listgarten;J Periodontol,1976
3. The role of the microflora in periodontal disease;van Palenstein Helderman;Quin Int,1980
4. The use of phasecontrast microscopy and chemotherapy in the diagnosis and treatment of periodontal lesions: An initial report I & II;Keyes;Quin Int,1978
5. The use of phase-contrast microscopy and chemotherapy in the diagnosis and treatment of periodontal lesions: An initial report I & II;Keyes;Quin Int,1978