George, L. K., Clipp, E. C., Elder, Jr., G. H., & Pieper, C. F. (1997). Trajectories of Health in Aging Populations. In W. M. Gesler, D. J. Rabiner, & G. H. DeFriese (Eds.), Rural Health and Aging Research: Theory, Methods and Practical Applications. Amityville, New York: Baywood Publishing.

George, L. K., E. C. Clipp, G. H. Elder, Jr., and C. F. Pieper. “Trajectories of Health in Aging Populations.” In Rural Health and Aging Research: Theory, Methods and Practical Applications, edited by W. M. Gesler, D. J. Rabiner, and G. H. DeFriese. Amityville, New York: Baywood Publishing, 1997.

George LK, Clipp EC, Elder, Jr. GH, Pieper CF. Trajectories of Health in Aging Populations. In: Gesler WM, Rabiner DJ, DeFriese GH, editors. Rural Health and Aging Research: Theory, Methods and Practical Applications. Amityville, New York: Baywood Publishing; 1997.

George, L. K., et al. “Trajectories of Health in Aging Populations.” Rural Health and Aging Research: Theory, Methods and Practical Applications, edited by W. M. Gesler et al., Baywood Publishing, 1997.

George LK, Clipp EC, Elder, Jr. GH, Pieper CF. Trajectories of Health in Aging Populations. In: Gesler WM, Rabiner DJ, DeFriese GH, editors. Rural Health and Aging Research: Theory, Methods and Practical Applications. Amityville, New York: Baywood Publishing; 1997.