1. Statistical Methods for Survival Data Analysis;Lee,1980
2. On advising a corneal graft;Thomas;Br Med J,1956
3. Selection of patients for keratoplasty;Castroviejo;Surv Ophthalmol,1958
4. Corneal grafting;Leigh;Br J Clin Pract,1958
5. Keratoplasty in children;Picetti;Am J Ophthalmol,1966