longitudinal cohort study

{
  "id": "MLC-T-ONC-004923",
  "term": "longitudinal cohort study",
  "field": "Oncology and biomedicine",
  "definition": "A type of research study that follows large groups of people over a long time. The groups are alike in many ways but differ by a certain characteristic (for example, female nurses who smoke and those who do not smoke). A particular outcome (such as the development of lung cancer) is compared between the groups. The same people in each group are assessed many times throughout the study.",
  "references": [
    "NCI Dictionary of Cancer Terms"
  ],
  "url": "https://mlchart.com/terminology/oncology/longitudinal-cohort-study/"
}