[
  {
    "title": "Accounting for variability in sample size estimation with applications to nonadherence and estimation of variance and effect size",
    "author": [
      {
        "given": ["Michael", "P."],
        "family": "Fay",
        "role": {},
        "email": {},
        "comment": {}
      },
      {
        "given": ["M.", "Elizabeth"],
        "family": "Halloran",
        "role": {},
        "email": {},
        "comment": {}
      },
      {
        "given": ["Dean", "A."],
        "family": "Follmann",
        "role": {},
        "email": {},
        "comment": {}
      }
    ],
    "journal": "Biometrics",
    "year": "2007",
    "volume": "63",
    "pages": "465--474"
  }
]