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.

Morris J.N, Berg K., Fries B.E, Steel K., Howard E.P.  2013.  Scaling functional status within the interRAI suite of assessment instruments. BMC Geriatr. 13:128.

Gray L.C, Bernabei R., Berg K., Finne-Soveri H., Fries B.E, Hirdes J.P, Jonsson P.V, Morris J.N, Steel K., Arino-Blasco S..  2008.  Standardizing assessment of elderly people in acute care: the interRAI Acute Care instrument. J Am Geriatr Soc. 56(3):536-41.

Gray L., Bernabei R., Berg K., Finne-Soveri H., Fries B.E, Hirdes J.P, Jonsson P., Morris J., Steel K., Arino-Blasco S..  2008.  Standardising assessment of elderly people in acute care: the interRAI Acute Care instrument. J Am Geriatr Soc. 56(3):536-41.

Steel K., Whang P..  2000.  Standardized comprehensive assessment for end-of-life and palliative care. J Pain Symptom Manage. 19(5):324-5.