@misc{indiciae0d9ee23ef7f3,
  title = {Testing for bias in weighted estimating equations.},
  author = {S Lipsitz and M Parzen and G Molenberghs and J Ibrahim},
  year = {2001},
  doi = {10.1093/biostatistics/2.3.295},
  url = {https://pubmed.ncbi.nlm.nih.gov/12933540/},
  note = {Source identifier: 12933540}
}