TY  - RPRT
TI  - Regional differences in functional status among the aged.
AU  - Frank W Porell
AU  - Helen B Miltiades
PY  - 2002
DO  - 10.1016/s0277-9536(01)00088-0
UR  - https://pubmed.ncbi.nlm.nih.gov/11989956/
ID  - 11989956
ER  -