TY  - RPRT
TI  - Intervention studies among elderly people.
AU  - O C Ro
AU  - C Hendriksen
AU  - S L Kivelä
AU  - M Thorslund
PY  - 1987
DO  - 10.3109/02813438709013998
UR  - https://pubmed.ncbi.nlm.nih.gov/3671917/
ID  - 3671917
ER  -