{
  "apiVersion": "v0.1",
  "methodology": "https://sourcescore.org/methodology/",
  "canonical": "https://sourcescore.org/source/nejm/",
  "source": {
    "slug": "nejm",
    "name": "New England Journal of Medicine",
    "domain": "nejm.org",
    "category": "Health",
    "summary": "Peer-reviewed general medical journal since 1812; one of the highest-impact medical venues globally.",
    "founded": 1812,
    "verified": "2026-04-28",
    "methodologyVersion": "v0.1"
  },
  "scores": {
    "index": {
      "value": 87,
      "grade": "A",
      "rationale": "A — top-tier peer-reviewed medical journal; pandemic-era citation surge sustained.",
      "signals": [
        {
          "label": "Composite",
          "detail": "Discipline 96 + Modern Reference 84 + Velocity 81."
        }
      ]
    },
    "discipline": {
      "value": 96,
      "grade": "A+",
      "rationale": "Rigorous peer-review; clinical-trial registration mandatory; data disclosure standards.",
      "signals": [
        {
          "label": "ICMJE compliance",
          "detail": "Strict International Committee of Medical Journal Editors standards."
        }
      ]
    },
    "modernReference": {
      "value": 84,
      "grade": "B",
      "rationale": "DOIs + structured abstracts + open-access policy for COVID + landmark trials.",
      "signals": [
        {
          "label": "Open landmark trials",
          "detail": "Selected landmark trials available without paywall."
        }
      ]
    },
    "velocity": {
      "value": 81,
      "grade": "B",
      "rationale": "Cited daily by clinicians + AI engines for medical queries; landmark-trial citations spike.",
      "signals": [
        {
          "label": "Citation impact factor",
          "detail": "~158 (highest among general medical journals)."
        }
      ]
    }
  },
  "license": {
    "methodology": "Cite as: SourceScore Methodology v0.1, sourcescore.org",
    "data": "Underlying public-source data credited to original publishers"
  }
}