@misc{indiciae944f8897fabc,
  title = {Survey return rates as a function of priority versus first-class mailing.},
  author = {Christiane Brems and Mark E Johnson and Teddy Warner and Laura Weiss Roberts},
  year = {2006},
  doi = {10.2466/pr0.99.2.496-501},
  url = {https://pubmed.ncbi.nlm.nih.gov/17153820/},
  note = {Source identifier: 17153820}
}