1. Golini A., Lori A.: Aging of the population: Demographic and social changes. Aging 2: 319–336, 1990.
2. Martin L.G.: Population Aging Policies in East Asia and the United States. Science 251: 527–531, 1991.
3. European Report, Wall Street Journal Europe, May 29, 1991.
4. Steel K., Bissonnette A., Rosenfeld A., Pajk M., O’Brien E.: Home Care as a substitute for institutional care: a capitation program for the elderly by Medicaid. Clin. Res. 37: 326A, 1989.
5. Koren M.J.: Home care: who care? N. Engl. J. Med. 314: 917–920, 1986.