1. Butler RN, Lewis MJ: Aging and Mental Health. The C.V. Mosby Company, St. Louis, 1973
2. Harris R: The Management of Geriatric Cardiac Disease. J.B. Lippincott Company, Philadelphia, 1970
3. Initial Adjustment to a Long-Term Care Institution: Medical and Behavioral Aspects
4. Common Symptoms and Complaints of the Elderly*