[
  {
    "title": "tightenBlock: Tightens an Observational Block Design by Balanced Subset\nMatching",
    "author": [
      {
        "given": "Paul",
        "family": "Rosenbaum",
        "role": ["aut", "cre"],
        "email": "rosenbaum@wharton.upenn.edu",
        "comment": {}
      }
    ],
    "year": "2023",
    "note": "R package version 0.1.7",
    "url": "https://CRAN.R-project.org/package=tightenBlock"
  }
]