Laser in situ keratomileusis for correction of myopia and astigmatism after penetrating keratoplasty. - Donnenfeld,E.D.; Kornstein,H.S.; Amin,A.; Speaker,M.D.; Seedor,J.A.; Sforza,P.D.; Landrio,L.M.; Perry,H.D. (Ophthalmology, 1999)