@misc{indiciaee3ec04c8eb50,
  title = {Questionnaire development: 4. Preparation for analysis.},
  author = {W Walop and L Del Greco and L Eastridge and B Marchand and K Szentveri},
  year = {1987},
  url = {https://pubmed.ncbi.nlm.nih.gov/3567808/},
  note = {Source identifier: 3567808}
}