Hjaltadottir I, Olafsson K, Sigurdardottir AK, Arnardottir RHarpa.  2019.  Health and survival in Icelandic nursing homes 2003 - 2014, before and after the setting of stricter criteria for nursing home admission in December 2007. Laeknabladid. 105(10):435-441.

Vetrano D.L, Collamati A., Magnavita N., Sowa A., Topinkova E., Finne-Soveri H., van der Roest H.G, Tobiasz-Adamczyk B., Giovannini S., Ricciardi W. et al..  2018.  Health determinants and survival in nursing home residents in Europe: Results from the SHELTER study. Maturitas. 107:19-25.

Hirdes J.P, Brown K.S.  1996.  A survival analysis of institutional relocation in a chronic care hospital. Canadian Journal on Aging. 15(4):514-524.