Cohort Studies
        Mor, V., Intrator, O., Fries, B. E., Phillips, C., Teno, J., Hiris, J., Hawes, C., Morris, J. 1997. Changes in hospitalization associated with introducing the Resident Assessment Instrument.. Journal of the American Geriatrics Society.  45 (8) 1002-10.  
          Hawes, C., Mor, V., Phillips, C. D., Fries, B. E., Morris, J. N., Steele-Friedlob, E., Greene, A. M., Nennstiel, M. 1997. The OBRA-87 nursing home regulations and implementation of the Resident Assessment Instrument: effects on process quality.. Journal of the American Geriatrics Society.  45 (8) 977-85.  
          Fries, B. E., Hawes, C., Morris, J. N., Phillips, C. D., Mor, V., Park, P. S. 1997. Effect of the National Resident Assessment Instrument on selected health conditions and problems. Journal of the American Geriatrics Society.  45 (8) 994-1001.  
          Williams, B. C., Fries, B. E., Mehr, D. R. 1996. Patterns and determinants of health services use and mortality after VA nursing home care. Journal of Aging & Health.  8 (2) 280-301.  
          Williams, B. C., Fries, B. E., Mehr, D. R. 1993. Length of stay in VA nursing homes. Comparative characteristics of brief-, medium-, and long-stay residents. Journal of Aging & Health.  5 (2) 208-28.  
          Perls, T. T., Morris, J. N., Ooi, W. L., Lipsitz, L. A. 1993. The relationship between age, gender and cognitive performance in the very old: the effect of selective survival. Journal of the American Geriatrics Society.  41 (11) 1193-201.