American Psychiatric Association . (1994). Diagnostic and statistical manual of mental disorders (4th ed.). Washington, DC: Author.
2.
Anderson, M. A. , Foreman, M. D., Theis, S. L., & Helms, L. B. (1997). Unanticipated results of continuity of care research with the elderly. Part 1: Design issues. Western Journal of Nursing Research, 19,406-413.
3.
Anderson, M. A. , & Helms, L. B. (1995). Communication between continuing care organizations. Research in Nursing and Health, 18, 49-57.
4.
Foreman, M. D. (1993). Acute confusional states. Annual Review of Nursing Research, 11, 3-20.
5.
McHugh, N. , & Johnson, J. (1980). Clinical nursing research: Beyond the methods books. Nursing Outlook, 28, 352-356.
6.
Polit, D. F. , & Hungler, B. P. (1995). Nursing research: Principles and methods (5th ed.). Philadelphia: J. B. Lippincott.
7.
Seed, A. (1995). Conducting a longitudinal study: An unsanitized account. Journal of Advanced Nursing, 21, 845-852.