1. Research methods in the behavioral sciences;Festinger,1953
2. The psychosomatic hypothesis in oral pathology;Feldman;JADA,1963
3. Oral manifestations of psychosomatic disease;Manhold;Psychosomatics,1963
4. Present concepts concerning the etiology and treatment of acute necrotizing ulcerative gingivitis;Goldhaber;Internat D J,1964
5. The natural history of dental disease;Fulton,1965