TY  - RPRT
TI  - Expectations in old age.
AU  - R B Lefroy
PY  - 1970
DO  - 10.5694/j.1326-5377.1970.tb84586.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4247379/
ID  - 4247379
ER  -