The distinction between the use of a control group in a study and the use of a case-control design

J Am Coll Surg. 2011 Jul;213(1):197; author reply 197-8. doi: 10.1016/j.jamcollsurg.2011.04.014.
No abstract available

Publication types

  • Letter
  • Comment

MeSH terms

  • Ambulatory Care / economics*
  • Ambulatory Care / standards*
  • Ambulatory Surgical Procedures*
  • Appendectomy / economics*
  • Appendectomy / standards*
  • Female
  • Humans
  • Male
  • Outcome Assessment, Health Care*