Data Collection/methods/*standards
        Gruber-Baldini, A. L., Zimmerman, S. I., Mortimore, E., Magaziner, J. 2000. The validity of the minimum data set in measuring the cognitive impairment of persons admitted to nursing homes. Journal of the American Geriatrics Society.  48 (12) 1601-6.  
          Frederiksen, K., Tariot, P., De Jonghe, E. 1996. Minimum Data Set Plus (MDS+) scores compared with scores from five rating scales. J Am Geriatr Soc.  44 (3) 305-9.