Randomized trial of questionnaire length

Epidemiology. 2009 Jan;20(1):154. doi: 10.1097/EDE.0b013e31818f2e96.
No abstract available

Publication types

  • Letter
  • Randomized Controlled Trial

MeSH terms

  • Bias
  • Cohort Studies
  • Denmark
  • Female
  • Fertility
  • Humans
  • Internet*
  • Patient Selection*
  • Surveys and Questionnaires*