1. The clinical importance of the gingival crevice;Bödecker;Dent. Cosmos,1934
2. Pathology of the interdental tissues;Cohen;Dent. Pract. Dent. Rec.,1959
3. Morphologic factors in the pathogenesis of periodontal disease;Cohen;Br. Dent. J.,1959
4. The polymerization of dietary sugars by dental plaque;Critchley;Caries Res.,1967
5. Bacterial state of different regions within the clinically healthy gingival crevice;Egelberg;Acta Odont. Scand.,1963