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

Academic Article


  • Ambulatory Care, Ambulatory Surgical Procedures, Appendectomy, Female, Humans, Male, Outcome Assessment, Health Care
  • Digital Object Identifier (doi)

    Author List

  • Royse K; Harris JB; Vogtmann E; Keenan JA; Liu J; McGwin G
  • Start Page

  • 197
  • Volume

  • 213
  • Issue

  • 1