@misc{indiciae7ec092ce183b,
  title = {Power and sample size requirements for two-part models.},
  author = {P A Lachenbruch},
  year = {2001},
  doi = {10.1002/sim.812},
  url = {https://pubmed.ncbi.nlm.nih.gov/11304738/},
  note = {Source identifier: 11304738}
}