title: Incorrect study design and analysis: visual acuity outcomes after deep anterior lamellar keratoplasty: a case-control study.
authors: Gerald
authors: G
authors: McGwin
mesh_terms: D016022:Case-Control Studies; D003316:Corneal Diseases / Q000628:therapy*; D016039:Corneal Transplantation / Q000379:methods*; D006801:Humans; D018579:Patient Selection; D012030:Refractive Errors / Q000628:therapy; D012107:Research Design; D012189:Retrospective Studies