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.

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.