1. Becker-Shaffer's Diagnosis and Therapy of the Glaucomas;Hoskins,1989
2. The epidemiology of open-angle glaucoma: a review;Leske;Am J Epidemiol.,1983
3. Open-angle glaucoma;Margolis;Primary Care.,1989
4. Textbook of Glaucoma;Shields,1987
5. Eye disorders;Abel,1992