1. HLA Matching and Corneal Grafting;Batchelor;Lancet,1976
2. Boberg-Ans J. 1952 On the corneal sensitivity with special reference to clinical methods of examination MD Thesis 153 155
3. Corneatransplantation (in danish);Ehlers;Ugeskr. Laeg.,1977
4. Corneal transplantation and histocompatibility;Ehlers;Acta ophthal. (Kbh.),1971
5. Influence of histocompatibility on the fate of corneal transplant;Ehlers;Ciba Foundation Symposium,1973