historical control subject

{
  "id": "MLC-T-ONC-003916",
  "term": "historical control subject",
  "field": "Oncology and biomedicine",
  "definition": "An individual treated in the past and used in a comparison group when researchers analyze the results of a clinical study that had no control group. The use of a control, or comparison, group helps researchers determine the effects of a new treatment more accurately.",
  "references": [
    "NCI Dictionary of Cancer Terms"
  ],
  "url": "https://mlchart.com/terminology/oncology/historical-control-subject/"
}