TY  - RPRT
TI  - Comparing survey data on functional disability: the impact of some methodological differences.
AU  - H S Picavet
AU  - G A van den Bos
PY  - 1996
DO  - 10.1136/jech.50.1.86
UR  - https://pubmed.ncbi.nlm.nih.gov/8762361/
ID  - 8762361
ER  -