_dta:
  1.  by Jean Roth , jroth@nber.org , 24 Oct 2012
  2.  Home > Medicare > Acute Inpatient PPS > FY 2011 IPPS Proposed Rule Home Page Items > Details for Title: Files for FY 2011 Proposed Rule
  3.  http://www.cms.gov/Medicare/Medicare-Fee-for-Service-Payment/AcuteInpatientPPS/FY-2011-IPPS-Proposed-Rule-Home-Page-Items/CMS1234680.html
  4.  http://www.cms.gov/Medicare/Medicare-Fee-for-Service-Payment/AcuteInpatientPPS/Downloads/FY_11_NPRM_County_to_CBSA_Xwalk.zip

ssacounty:
  1.  Los Angeles FIPS 06037 can have two SSA county codes: 05210 and 05200

  obs:         3,289                          
 vars:             8                          2 Sep 2015 10:41
 size:       292,721                          (_dta has notes)
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
              storage   display    value
variable name   type    format     label      variable label
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
countyname      str25   %25s                  County
state           str2    %9s                   State
ssacounty       str5    %9s                 * SSA State county code
fipscounty      str5    %9s                   FIPS State county code
cbsa            str5    %9s                   CBSA
cbsaname        str43   %43s                  CBSA Name
ssast           str2    %9s                   SSA State code
fipst           str2    %9s                   FIPS State code
                                            * indicated variables have notes
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Sorted by:  fipscounty  ssacounty