TY  - RPRT
TI  - Psychological attributes and changes in disability among low-functioning older persons: does attrition affect the outcomes?
AU  - Gertrudis I J M Kempen
AU  - Eric van Sonderen
PY  - 2002
DO  - 10.1016/s0895-4356(01)00474-7
UR  - https://pubmed.ncbi.nlm.nih.gov/11864791/
ID  - 11864791
ER  -