1. Functional evaluation: the Barthel Index;Fl, Mahoney; DW, Barthel;Maryland State Med J,1965
2. Repeatability and validity of a modified ADL index in studies of chronic disability;Sheikh, K.; Smith, D.S.; Meade, T.W.;Internat J Rehabil Med,1979
3. Studies of illness in the aged. The index of ADL: a standardised measure of biological and psychological function;Katz, S.; Ford, A.B.; Moskowitz, R.W.; Jackson, B.A.; Jaffe, W.;J Amer Med Ass,1963
4. Numerical scoring of self-care status of patients;Shoening, H.A.; Anderess, L.; Bergstrom, D.;Arch Phys Med Rehabil,1965
5. Scaling indices of disablement;Bebbington, A.C.;Br J Prev Soc Med,1977