TY  - RPRT
TI  - Disability: a model and measurement technique.
AU  - R G Williams
AU  - M Johnston
AU  - L A Willis
AU  - A E Bennett
PY  - 1976
DO  - 10.1136/jech.30.2.71
UR  - https://pubmed.ncbi.nlm.nih.gov/953379/
ID  - 953379
ER  -