Kijowska, V., Wilga, M., Szczerbińska, K. 2016. [The prevalence of chronic diseases and geriatric problems - a comparison of nursing home residents in the skilled and nonskilled long-term care facilities in Poland]. Pol Merkur Lekarski. 41 (242) 84-9.
Laine, J., Linna, M., Hakkinen, U., Noro, A. 2005. Measuring the productive efficiency and clinical quality of institutional long-term care for the elderly. Health Economics. 14 (3) 245-256.
Gambassi, G., Lapane, K. L., Sgadari, A., Landi, F., Mor, V., Bernabei, R. 2000. Measuring health outcomes for older people using the sage database. Canadian Journal on Aging. 19 (SUPPL. 2) 67-86.
Ribbe, M. W., Ljunggren, G., Steel, K., Topinková, E., Hawes, C., Ikegami, N., Henrard, J. C., Jonnson, P. V. 1997. Nursing homes in 10 nations: A comparison between countries and settings. Age & Ageing. 26 (SUPPL. 2) 3-12.