TY  - RPRT
TI  - Ability, disability, and the oldest old.
AU  - S Bould
AU  - M H Smith
AU  - C F Longino
PY  - 1997
DO  - 10.1300/j031v09n01_03
UR  - https://pubmed.ncbi.nlm.nih.gov/10183251/
ID  - 10183251
ER  -