1. Tumours of the eye and adnexa;Templeton, A.C.,1973
2. Solar keratosis, pterygium, and squamous cell carcinoma of the conjunctiva in Malawi;Clear, A.S.;Br J Ophthalmol,1979
3. Ocular surface squamous neoplasia. Surv Ophthalmol 1995; 39: 429-50 4 WHO. Environmental health criteria 160. Ultraviolet radiation;Lee, G.A.; Hirst, L.W.,1994
4. A prospective study of the ophthalmic findings in the acquired immune deficiency syndrome in Africa;Kestelyn, P.; Van de Perre, P.; Rouvroy, D.; LePage, P.; Bogaerts, J.; Nzaramba, D.;AmJ Ophthalmol,1995
5. HIV and conjunctival malignancies;Kestelyn, P.; Stevens, A.M.; Ndayambaje, A.; Hanssens, M.; Van de Perre, P.;Lancet,1990