[Large grafts for penetrating keratoplasty--clinical analysis of 48 cases].
D000293:Adolescent; D000328:Adult; D000368:Aged; D003318:Corneal Opacity / Q000601:surgery*; D016039:Corneal Transplantation; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D014021:Tissue Preservation; D014785:Vision, Ocular