Carpenter G.I, Hastie C.L, Morris J.N, Fries B.E, Ankri J..  2006.  Measuring change in activities of daily living in nursing home residents with moderate to severe cognitive impairment. BMC geriatrics. 6:7.

Smyth K.A, Ferris S.H, Fox P., Heyman A., Holmes D., Morris J.N, Phillips C.D, Schulz R., Teresi J., Whitehouse P.J.  1997.  Measurement choices in multi-site studies of outcomes in dementia. Alzheimer Disease & Associated Disorders. 11(Suppl 6):30-44.

Morris J.N, Fries B.E, Mehr D.R, Hawes C., Phillips C., Mor V., Lipsitz L.A.  1994.  MDS Cognitive Performance Scale. Journal of Gerontology. 49(4):M174-82.

Koehler M., Rabinowitz T., Hirdes J., Stones M., Carpenter G.I, Fries B.E, Morris J.N, Jones R.N.  2005.  Measuring depression in nursing home residents with the MDS and GDS: an observational psychometric study. BMC Geriatr. 5:1.

Hawes C., Phillips C.D, Mor V., Fries B.E, Morris J.N.  1992.  MDS data should be used for research.[comment]. Gerontologist. 32(4):563-4.