Berg K., Sherwood S., Murphy K., Carpenter G.I, Gilgen R., Phillips C.D.  1997.  Rehabilitation in nursing homes: a cross-national comparison of recipients. Age & Ageing. 26(Suppl 2):37-42.

Phillips C.D, Zimmerman D., Bernabei R., Jonsson P.V.  1997.  Using the Resident Assessment Instrument for quality enhancement in nursing homes. Age Ageing. 26 Suppl 2:77-81.

Carpenter G.I, Hirdes J.P, Ribbe M.W, Ikegami N., Challis D., Steel K., Bernabei R., Fries B..  1999.  Targeting and quality of nursing home care. A five-nation study. Aging-Clinical & Experimental Research. 11(2):83-9.

Jensdóttir A?B, Jonsson P, Noro A, Jonsén E, Ljunggren G, Finne?Soveri H, Schroll M, Grue E, Bjornsson J.  2008.  Comparison of nurses? and physicians? documentation of functional abilities of older patients in acute care?patient records compared with standardized assessment. Scandinavian journal of caring sciences. 22(3):341-347.

Finne-Soveri U.H, Ljunggren G., Schroll M., Jonsson P.V, Hjaltadottir I., K. Kholy E, Tilvis R.S.  2000.  Pain and its association with disability in institutional long-term care in four Nordic countries. Canadian Journal on Aging. 19(SUPPL. 2):38-49.

Ribbe M.W, Ljunggren G., Steel K., Topinkova 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.

Hughes C.M, Lapane K.L, Mor V., Ikegami N., Jonsson P.V, Ljunggren G., Sgadari A..  2000.  The impact of legislation on psychotropic drug use in nursing homes: a cross-national perspective. Journal of the American Geriatrics Society. 48(8):931-7.

Ljunggren G., Phillips C.D, Sgadari A..  1997.  Comparisons of restraint use in nursing homes in eight countries. Age & Ageing. 26(SUPPL. 2):43-47.