1. Some social and economic factors relating to periodontal disease among young Negroes;Mobley;JADA,1963
2. Testing the oral hygiene index: its use in epidemiological studies;Mobley;Pub Health Dent,1964
3. Oral hygiene index: a method for classifying oral hygiene status;Greene;JADA,1960
4. System of classification and scoring for prevalence surveys of periodontal disease;Russell;J Dent Res,1956
5. The Minnesota Multiphasic Personality Inventory manual;Hathaway,1951