Carpenter G.I, Ikegami N., Ljunggren G., Carrillo E., Fries B.E.  1997.  RUG-III and resource allocation: comparing the relationship of direct care time with patient characteristics in five countries. Age & Ageing. 26(Suppl 2):61-5.

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.

Sgadari A., Morris J.N, Fries B.E, Ljunggren G., Jonsson P.V, DuPaquier J.N, Schroll M..  1997.  Efforts to establish the reliability of the Resident Assessment Instrument. Age & Ageing. 26(Suppl 2):27-30.

Steel K., Jonsson P.V, DuPasquier J.N, Gilgen R., Hirdes J., Schroll M., Ljunggren G., Carpenter I., Bjørnson J..  1999.  Systems of care for frail older persons. InterRAI. Trans Am Clin Climatol Assoc. 110:30-5;discussion35-7.