1. Pterygium throughout the world;Cameron, M.E.,1965
2. Histological and histochemical changes of epithelium, basal membrane and Bowman's membrane in the avascular comeal part of pterygium;CTlova-Atanasova, B.;Folia Med,1968
3. Etiologia y patogenia del pterigion y de las excavaciones de la comea de Fuchs;Barraquer, J.I.;Arch Soc Oftalmol HispanoAm,1964
4. The histochemical examination of the fibres of pterygium by elastase;Vass, Z.; Tapaszto;Acta Ophthalmol (Kbh),1964
5. Pterygium and pinguecula: electron microscopic study;Hogan, J.M.; Alvarado, J.;Arch Ophthalmol,1967