opened on:   2 Jun 2017, 08:51:01

_dta:
  1.  by Jean Roth , jroth@nber.org , 2 Jun 2017
  2.  NBER URL:  http://www.nber.org/data/fda-orange-book-data.html
  3.  Source Page: http://www.fda.gov/Drugs/InformationOnDrugs/ucm129662.htm
  4.  Source File URL:
      www.fda.gov/downloads/Drugs/InformationOnDrugs/UCM163762.zip
  5.  Source Text File: products.txt
  6.  ingredient is a wide variable with multiple ingredients separated by a
      semicolon.

ingredient:
  1.  The active ingredient(s) for the product.
  2.  Multiple ingredients are in alphabetical order, separated by a semicolon.

> .dta
  obs:         3,345                          
 vars:             3                          2 Jun 2017 08:51
 size:       953,325                          (_dta has notes)
-------------------------------------------------------------------------------
              storage   display    value
variable name   type    format     label      variable label
-------------------------------------------------------------------------------
ingredient      str233  %233s               * Ingredient
singnum         byte    %9.0g                 Single Ingredient Number
singredient     str51   %51s                  Single Ingredient
                                            * indicated variables have notes
-------------------------------------------------------------------------------
Sorted by: ingredient