1. Clock completion;Watson;J Am Geriatr Soc,1993
2. Screening for common problems in ambulatory elderly;Moore;Am J Med,1996
3. Katz PR, Grossberg GT, Potter JF, et al. Geriatrics Syllabus for Specialists, Blue Cross Blue Shield Association and American Geriatrics Society, New York, New York; Appendix 39.18, 2002
4. A measure of primary sociobiological functions;Katz;Int J Health Serv,1976
5. Studies of illness in the aged. The index of ADL;Katz;JAMA,1963