{
  "source_doi": "10.1083/jcb.137.1.231",
  "source_locator": "Table II: total number of tumors per group; mice with no tumors",
  "unit": "mouse as reported in the table",
  "arms": [
    {
      "id": "untreated",
      "tumors": 15,
      "total": 16
    },
    {
      "id": "control_antibody",
      "tumors": 14,
      "total": 16
    },
    {
      "id": "blocking_antibody",
      "tumors": 7,
      "total": 16
    }
  ],
  "comparisons": [
    {
      "treated": "blocking_antibody",
      "control": "untreated"
    },
    {
      "treated": "blocking_antibody",
      "control": "control_antibody"
    }
  ],
  "assumptions": [
    "Groups treated as independent binomial samples for this exploratory reanalysis.",
    "Tumor presence is binary; size categories are not separate observations.",
    "No individual-level data, allocation audit, or experimental replication was performed."
  ]
}