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3. Corneal transplantation reaction in avascular keratoconus patients due to HLA-associated immune aberration against infection. A hypothesis;Vannas;Invest Ophthalmol Vis Sci,1977
4. Bilateral graft problems including immune response; 113 cases;Buxton,1978
5. Management of late corneal graft problems;Ehlers;Acta Ophthalmol,1978