1. Multiple trauma and the elderly patient;Martin;Emerg Med Clin North Am,1990
2. An approach to common problems in the elderly;Medalie,1986
3. Gerontological nursing: concepts and practice;Matteson,1988
4. Comorbidity in geriatric patients;Kauder,1990
5. Functional disability in the hospitalized elderly;Warshaw;JAMA,1982