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Disabled worker projections for OASDI cost estimates, 1984
Kelley, William B., (1984)
Why are the disability rolls skyrocketing? : The contribution of population characteristics, economic conditions, and program generosity
Duggan, Mark G., (2008)
Social Security and the "D" in OASDI : the history of a federal program insuring earners against disability
Kearney, John R., (2006)