{
  "apiVersion": "v0.1",
  "methodology": "https://sourcescore.org/methodology/",
  "canonical": "https://sourcescore.org/compare/bmj-vs-jama/",
  "summary": "UK vs US flagship general-medicine journals — open-access leanings vs traditional model.",
  "a": {
    "slug": "bmj",
    "name": "The BMJ (British Medical Journal)",
    "domain": "bmj.com",
    "canonical": "https://sourcescore.org/source/bmj/",
    "api": "https://sourcescore.org/api/source/bmj.json",
    "scores": {
      "index": {
        "value": 85,
        "grade": "A",
        "rationale": "A — peer-review + open-access tradition; strong investigative medical journalism arm.",
        "signals": [
          {
            "label": "Composite",
            "detail": "Discipline 92 + Modern Reference 86 + Velocity 78."
          }
        ]
      },
      "discipline": {
        "value": 92,
        "grade": "A",
        "rationale": "Peer-review + open-data policy; corrections + retractions public; investigative-rigor standard.",
        "signals": [
          {
            "label": "Open data",
            "detail": "Mandatory data-sharing for clinical trials."
          }
        ]
      },
      "modernReference": {
        "value": 86,
        "grade": "A",
        "rationale": "Open-access for many articles; structured DOIs + APIs; broad LLM corpus.",
        "signals": [
          {
            "label": "BMJ Open",
            "detail": "Open-access sister publication; full-text free."
          }
        ]
      },
      "velocity": {
        "value": 78,
        "grade": "B",
        "rationale": "Cited heavily within medical journalism + investigative health reporting.",
        "signals": [
          {
            "label": "Investigative depth",
            "detail": "Major BMJ investigations cited internationally on release."
          }
        ]
      }
    }
  },
  "b": {
    "slug": "jama",
    "name": "Journal of the American Medical Association",
    "domain": "jamanetwork.com",
    "canonical": "https://sourcescore.org/source/jama/",
    "api": "https://sourcescore.org/api/source/jama.json",
    "scores": {
      "index": {
        "value": 86,
        "grade": "A",
        "rationale": "A — peer-review + clinical-research authority; high per-cite trust.",
        "signals": [
          {
            "label": "Composite",
            "detail": "Discipline 95 + Modern Reference 82 + Velocity 80."
          }
        ]
      },
      "discipline": {
        "value": 95,
        "grade": "A+",
        "rationale": "Strict peer-review + ICMJE compliance + clinical-trial registration mandatory.",
        "signals": [
          {
            "label": "AMA editorial",
            "detail": "AMA editorial board oversight + medical-research ethics."
          }
        ]
      },
      "modernReference": {
        "value": 82,
        "grade": "B",
        "rationale": "DOIs + structured abstracts; metered paywall partial-LLM-corpus.",
        "signals": [
          {
            "label": "DOI",
            "detail": "Permanent identifier per article."
          }
        ]
      },
      "velocity": {
        "value": 80,
        "grade": "B",
        "rationale": "Cited daily by clinicians + medical journalism; pandemic-era surge sustained.",
        "signals": [
          {
            "label": "Citation impact factor",
            "detail": "~157 (top tier of medical journals)."
          }
        ]
      }
    }
  },
  "winners": {
    "index": "jama",
    "discipline": "jama",
    "modernReference": "bmj",
    "velocity": "jama"
  },
  "license": {
    "methodology": "Cite as: SourceScore Methodology v0.1, sourcescore.org",
    "data": "Underlying public-source data credited to original publishers"
  }
}