1. Preservation of viable corneal tisue;Capella;Arch Ophthalmol,1965
2. Post-operative thickness and endothelial cell density in cultivated, cryopreserved human corneal grafts;Ehlers;Acta Ophthalmol (Copenh.),1982
3. Electronmicroscopy of the human corneal endothelium with reference to transport mechanisms;Iwamoto;Invest Ophthalmol,1965
4. Results obtained in perforating keratoplasty with preserved corneas, using liquid nitrogen;Mathieu;Trans Am Acad Ophthalmol Otolaryngol,1970