TY  - RPRT
TI  - Aging and health: a longitudinal study.
AU  - K S Markides
AU  - D M Timbers
AU  - J S Osberg
PY  - 1984
DO  - 10.1016/0167-4943(84)90013-x
UR  - https://pubmed.ncbi.nlm.nih.gov/6742946/
ID  - 6742946
ER  -