_dta:
  1.  by Jean Roth , jroth@nber.org , 6 Apr 2017
  2.  REACyyQq.TXT contains all "Medical Dictionary for Regulatory Activities"
      (MedDRA) terms coded
  3.  for the adverse event (1 or more). For more information on MedDRA, please
      contact:
  4.  Northrop Grumman, MedDRA MSSO, 15010 Conference Center Drive, Chantilly,
      VA 20151, USA.
  5.  The website is www.meddramsso.com.

primaryid:
  1.  Unique number for identifying a FAERS report.
  2.  This is the primary link field (primary key) between data files (example:
      31234561).
  3.  This is a concatenated key of Case ID and Case Version Number.
  4.  It is the Identifier for the case sequence (version) number as reported
      by the manufacturer.

caseid:
  1.  Number for identifying a FAERS case (example. 3123456).
  2.  A case consists of one or more versions.
  3.  A follow-up version (that is, the newest/latest version received by FDA)
  4.  will have the same CASE number as the initial/oldest version.

pt:
  1.  "Preferred Term"-level medical terminology describing the event,
  2.  using the Medical Dictionary for Regulatory Activities (MedDRA).
  3.  The order of the terms for a given event does not imply priority.
  4.  In other words, the first term listed is not necessarily considered more
      significant than the last one listed.

  obs:       845,435                          
 vars:             4                          6 Apr 2017 22:39
 size:   108,215,680                          (_dta has notes)
-------------------------------------------------------------------------------
              storage   display    value
variable name   type    format     label      variable label
-------------------------------------------------------------------------------
primaryid       long    %12.0g              * Unique number for identifying a
                                                FAERS report
caseid          long    %12.0g              * Number for identifying a FAERS
                                                case (example. 3123456)
pt              str67   %67s                * 'Preferred Term'-level medical
                                                terminology describing the
                                                event
drug_rec_act    str53   %53s                  
                                            * indicated variables have notes
-------------------------------------------------------------------------------
Sorted by: primaryid  pt