1. Preservation of viable corneal tissue;Capella;Arch Ophthal,1965
2. Supravital staining of the corneal endothelium and evidence for a membrane on its surface;Kirk;Can J Ophthalmol,1969
3. Results obtained in perforating keratoplasty with preserved corneas, using liquid nitrogen;Mathieu;Trans Am Acad Ophthalmol Otolaryngol,1970
4. Full-thickness corneal grafts in Addis Ababa, Ethiopia;Mueller;Br J Ophthalmol,1967
5. Laboratory evaluation of cryopreserved corneal tissue;Schultz;Trans Am Ophthalmol Soc,1971