@misc{indiciae98f6ebc3f85d, title = {Disability insurance.}, author = {H R LEFFINGWELL}, year = {1953}, doi = {10.1111/j.1532-5415.1953.tb01101.x}, url = {https://pubmed.ncbi.nlm.nih.gov/13108569/}, note = {Source identifier: 13108569} }