1. Blood studies in periodontoclasia;Karshan;J.D. Res.,1946
2. Blood studies in periodontoclasia;Tenenbaum;J.A.D.A.,1945
3. Studies in the etiology of periodontal disease;Karshan;J. Periodont.,1951
4. Studies in periodontosis;Karshan;J.D. Res.,1950
5. Clinical and microscopic study of the gingivae in periodontosis;Tenenbaum;J.A.D.A.,1950