Collum, L M A comparative analysis over a decade of the changing indications for penetrating keratoplasty in Ireland. [electronic resource] - Irish journal of medical science Sep 1987 - 262-4 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0021-1265 Standard No.: 10.1007/BF02954062 doi Subjects--Topical Terms: Corneal TransplantationHumansIrelandRetrospective StudiesTime Factors