Bias (Epidemiology)
Lawton, M. P., Casten, R., Parmelee, P. A., Van Haitsma, K., Corn, J., Kleban, M. H. 1998. Psychometric characteristics of the minimum data set II: validity. Journal of the American Geriatrics Society. 46 (6) 736-44.
Williams, B. C., Mehr, D. R., Fries, B. E. 1994. Use of administrative records to describe longitudinal patterns of health services use among veterans. Journal of the American Medical Informatics Association. 1 (4) 325-7.