ftp.cdc.gov - /pub/Health_statistics/NCHS/datalinkage/ssa/

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 3/30/2016 10:15 AM         3848 ssa_feasibility_input_sas.txt
 3/30/2016 10:15 AM         2781 ssa_feasibility_input_stata.txt
 3/30/2016 10:15 AM          751 ssa_feasibility_layout_2009.txt