1. The classification of mental disorders. Chapter 11;Akiskal,1989
2. Depression in medical inpatients;Moffic;Br J Psychiatry,1975
3. Depression among medically ill patients;Stewart;Diseases of the Nervous System,1965
4. The core symptoms of depression in medical and psychiatric patients;Clark;J Nerv Ment Dis,1983
5. Depression in the Medically III: An Integrated Approach,1991