1. Combined surgery for corneal transplantation and cataract extraction;Katzin;Am J Ophthalmol,1966
2. The combined operation of cataract and corneal graft;Casey;Trans Ophthalmol Soc UK,1969
3. Combined graft and cataract extraction;Kaufman,1969
4. Non-simultaneous and simultaneous corneal graft and cataract extraction;Buxton,1969
5. The effect of intraocular surgery on clear corneal grafts;Lemp;Am J Ophthalmol,1974