1. Branch L. G., 1976. Determining the needs of the elderly and the chronically disabled. New England Journal of Medicine294:110-111.
2. Branch L. G., 1977. Updating the needs of the Massachusetts elderly. New England Journal of Medicine297:838-840.
3. Branch L. G., 1980. Vulnerable elders (Gerontological Society Monographs No. 6) The Gerontological Society of America, Washington, DC.
4. Evashwick C. J., ed.The continuum of long-term care: An integrated systems approach2000Delmar Publications, Albany, NY.
5. Liu K., Manton K., Liu B. M., 1985. Home care expenses for noninstitutionalized elderly with ADL and IADL limitations. Health Care Financing Review7: (2) 51-58.