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.

Fries B.E, Ljunggren G., Winblad B..  1991.  International comparison of long-term care: the need for resident-level classification. Journal of the American Geriatrics Society. 39(1):10-6.

Hansebo G., Kihlgren M., Ljunggren G..  1999.  Review of nursing documentation in nursing home wards - changes after intervention for individualized care. Journal of Advanced Nursing. 29(6):1462-73.

Hansebo G., Kihlgren M., Ljunggren G., Winblad B..  1998.  Staff views on the Resident Assessment Instrument, RAI/MDS, in nursing homes, and the use of the Cognitive Performance Scale, CPS, in different levels of care in Stockholm, Sweden. Journal of Advanced Nursing. 28(3):642-53.

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.

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.