TY  - RPRT
TI  - Improving knowledge about disability transitions by adding retrospective information to panel surveys. Population health metrics.
AU  - James N Laditka
AU  - Douglas A Wolf
PY  - 2006
DO  - 10.1186/1478-7954-4-16
UR  - https://pubmed.ncbi.nlm.nih.gov/17166277/
ID  - 17166277
ER  -