TY  - RPRT
TI  - Disability insurance.
AU  - H R LEFFINGWELL
PY  - 1953
DO  - 10.1111/j.1532-5415.1953.tb01101.x
UR  - https://pubmed.ncbi.nlm.nih.gov/13108569/
ID  - 13108569
ER  -