TY  - RPRT
TI  - Epidemiological studies in the elderly: methodological considerations.
AU  - A N Exton-Smith
PY  - 1982
DO  - 10.1093/ajcn/35.5.1273
UR  - https://pubmed.ncbi.nlm.nih.gov/6979237/
ID  - 6979237
ER  -