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.

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.

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.

Schroll M., Jonsson P.V, Mor V., Berg K., Sherwood S..  1997.  An international study of social engagement among nursing home residents. Age & Ageing. 26(Suppl 2):55-9.

Fries B.E, Schroll M., Hawes C., Gilgen R., Jonsson P.V, Park P..  1997.  Approaching cross-national comparisons of nursing home residents. Age & Ageing. 26(Suppl 2):13-8.