1. The first pregenital stage of the libido;Abraham,1916
2. Emotional factors in gastrointestinal disturbances;Alexander,1953
3. The Children's Apperception Test (CAT);Bellak,1960
4. The Blacky Pictures with children;Blum,1960
5. Exploring the psychoanalytic theory of the “oral character.”;Blum;J. Pers.,1952