TY  - RPRT
TI  - Methodological issues in the study of cognitive decline.
AU  - M C Morris
AU  - D A Evans
AU  - L E Hebert
AU  - J L Bienias
PY  - 1999
DO  - 10.1093/oxfordjournals.aje.a009893
UR  - https://pubmed.ncbi.nlm.nih.gov/10221314/
ID  - 10221314
ER  -