Incorrect study design and analysis: visual acuity outcomes after deep anterior lamellar keratoplasty: a case-control study.

Authors :: McGwin G Jr
Source :: The British journal of ophthalmology [Br J Ophthalmol] 2011 Jul; Vol. 95 (7), pp. 1028; author reply 1028-9. Date of Electronic Publication: 2011 Mar 24.
Publication Year :: 2011

Subjects :: Case-Control Studies
Humans
Patient Selection
Refractive Errors therapy
Research Design
Retrospective Studies
Corneal Diseases therapy
Corneal Transplantation methods

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