title: The distinction between the use of a control group in a study and the use of a case-control design.
authors.forename: Kathryn
authors.initials: K
authors.lastname: Royse
authors.forename: Jennie B
authors.initials: JB
authors.lastname: Harris
authors.forename: Emily
authors.initials: E
authors.lastname: Vogtmann
authors.forename: John A
authors.initials: JA
authors.lastname: Keenan
authors.forename: Jigna
authors.initials: J
authors.lastname: Liu
authors.forename: Gerald
authors.initials: G
authors.lastname: McGwin
mesh_terms: D000553:Ambulatory Care / Q000191:economics* / Q000592:standards*; D000556:Ambulatory Surgical Procedures; D001062:Appendectomy / Q000191:economics* / Q000592:standards*; D005260:Female; D006801:Humans; D008297:Male; D017063:Outcome Assessment, Health Care