{
  "apiVersion": "v0.1",
  "methodology": "https://sourcescore.org/methodology/modern-reference/",
  "canonical": "https://sourcescore.org/compare/bmj-vs-jama/modern-reference/",
  "summary": "UK vs US flagship general-medicine journals — open-access leanings vs traditional model.",
  "dimension": {
    "key": "modernReference",
    "pathSegment": "modern-reference",
    "label": "Modern Citation Reference",
    "weightInComposite": "30%"
  },
  "a": {
    "slug": "bmj",
    "name": "The BMJ (British Medical Journal)",
    "domain": "bmj.com",
    "category": "Health",
    "canonical": "https://sourcescore.org/source/bmj/",
    "api": "https://sourcescore.org/api/source/bmj.json",
    "dimensionDetail": "https://sourcescore.org/modern-reference/bmj/",
    "dimensionDetailApi": "https://sourcescore.org/api/modern-reference/bmj.json",
    "score": {
      "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."
        }
      ]
    },
    "rank": {
      "global": 48,
      "globalTotal": 130
    }
  },
  "b": {
    "slug": "jama",
    "name": "Journal of the American Medical Association",
    "domain": "jamanetwork.com",
    "category": "Health",
    "canonical": "https://sourcescore.org/source/jama/",
    "api": "https://sourcescore.org/api/source/jama.json",
    "dimensionDetail": "https://sourcescore.org/modern-reference/jama/",
    "dimensionDetailApi": "https://sourcescore.org/api/modern-reference/jama.json",
    "score": {
      "value": 82,
      "grade": "B",
      "rationale": "DOIs + structured abstracts; metered paywall partial-LLM-corpus.",
      "signals": [
        {
          "label": "DOI",
          "detail": "Permanent identifier per article."
        }
      ]
    },
    "rank": {
      "global": 71,
      "globalTotal": 130
    }
  },
  "verdict": {
    "winner": "bmj",
    "delta": 4,
    "claim": "The BMJ (British Medical Journal) outscores Journal of the American Medical Association on Modern Citation Reference by 4 points."
  },
  "otherDimensions": [
    {
      "pathSegment": "discipline",
      "label": "Citation Discipline",
      "canonical": "https://sourcescore.org/compare/bmj-vs-jama/discipline/",
      "api": "https://sourcescore.org/api/compare/bmj-vs-jama/discipline.json"
    },
    {
      "pathSegment": "velocity",
      "label": "Citation Velocity",
      "canonical": "https://sourcescore.org/compare/bmj-vs-jama/velocity/",
      "api": "https://sourcescore.org/api/compare/bmj-vs-jama/velocity.json"
    },
    {
      "pathSegment": "index",
      "label": "SourceScore Index (composite)",
      "canonical": "https://sourcescore.org/compare/bmj-vs-jama/",
      "api": "https://sourcescore.org/api/compare/bmj-vs-jama.json"
    }
  ],
  "license": {
    "methodology": "Cite as: SourceScore Methodology v0.1, sourcescore.org",
    "data": "Underlying public-source data credited to original publishers"
  }
}