1. Part 1;of ophthalmology, Duke-Elder W.S.System,1965
2. Eye diseases in hot climates;Sandford-Smith, J.,1987
3. Recurrent pterygium in corneal and external disease of the eye;Pico, G.,1970
4. Results of prophylactic postoperative irradiation in 1300 cases of pterygium;HAS, Van Den Brenk;AmJ Roentgen,1968
5. Symposium on medical and surgical disease ofthe cornea. Transaction of the New Orleans Academy of Ophthalmology;pterygium, Fine M.Recurrent,1980