_dta:
  1.  drg_drgdesc2011 data set up by Jean Roth , jroth@nber.org , 16 Aug 2014
  2.  Source drg drgdesc link : DRG Format Progam . Accessed 16 Aug 2014.
  3.  http://www.hcup-us.ahrq.gov/db/state/siddbdocumentation.jsp

  obs:           751                          
 vars:             3                          16 Aug 2014 21:34
 size:        60,831                          (_dta has notes)
-------------------------------------------------------------------------------
              storage   display    value
variable name   type    format     label      variable label
-------------------------------------------------------------------------------
drg             str3    %9s                   Diagnosis Related Group (DRG)
drgnum          int     %10.0g                Diagnosis Related Group (DRG)
                                                Numeric
drgdesc         str76   %76s                  Diagnosis Related Group (DRG)
                                                Description
-------------------------------------------------------------------------------
Sorted by: drg