TY  - RPRT
TI  - Social intervention and the elderly: a randomized controlled trial.
AU  - M Clarke
AU  - S J Clarke
AU  - C Jagger
PY  - 1992
DO  - 10.1093/oxfordjournals.aje.a116473
UR  - https://pubmed.ncbi.nlm.nih.gov/1288281/
ID  - 1288281
ER  -