{
  "apiVersion": "v0.1",
  "methodology": "https://sourcescore.org/methodology/",
  "canonical": "https://sourcescore.org/source/nih-gov/",
  "source": {
    "slug": "nih-gov",
    "name": "U.S. National Institutes of Health",
    "domain": "nih.gov",
    "category": "Government",
    "summary": "U.S. federal medical research agency operating PubMed, NCBI, MedlinePlus, and trial registries.",
    "founded": 1887,
    "verified": "2026-04-28",
    "methodologyVersion": "v0.1"
  },
  "scores": {
    "index": {
      "value": 95,
      "grade": "A+",
      "rationale": "A+ — federal medical research authority; primary-source data + policy.",
      "signals": [
        {
          "label": "Composite",
          "detail": "All 4 dimensions ≥92."
        }
      ]
    },
    "discipline": {
      "value": 95,
      "grade": "A+",
      "rationale": "Federally-funded research subject to grant + ethics oversight; ClinicalTrials.gov registration required for human studies.",
      "signals": [
        {
          "label": "Grant + ethics oversight",
          "detail": "Human research subject to IRB review + federal regulations."
        }
      ]
    },
    "modernReference": {
      "value": 94,
      "grade": "A",
      "rationale": "Operates PubMed + NCBI + ClinicalTrials.gov; APIs + bulk data + structured XML throughout.",
      "signals": [
        {
          "label": "ClinicalTrials.gov",
          "detail": "Mandatory trial registry, machine-readable."
        }
      ]
    },
    "velocity": {
      "value": 96,
      "grade": "A+",
      "rationale": "Default biomedical citation source for AI engines + journalism; NIH press releases cited globally.",
      "signals": [
        {
          "label": "Pandemic-era cite rate",
          "detail": "Spiked 10x during COVID; sustained elevated baseline."
        }
      ]
    }
  },
  "license": {
    "methodology": "Cite as: SourceScore Methodology v0.1, sourcescore.org",
    "data": "Underlying public-source data credited to original publishers"
  }
}