{
  "name": "B21002_013M",
  "label": "Margin of Error!!Total!!Between Gulf War and Vietnam Era only",
  "concept": "PERIOD OF MILITARY SERVICE FOR CIVILIAN VETERANS 18 YEARS AND OVER",
  "predicateType": "int",
  "group": "B21002",
  "limit": 0,
  "attributes": "B21002_013MA",
  "attribute of": "B21002_013E",
  "attribute type": "Margin of Error"
}