1. Prevalence of glaucoma. Trans Ophthalmol Soc UK;Graham, P.A.,1978
2. Alternative definitions of open angle glaucoma;Kahn, H.A.; Milton, R.C.;Arch Ophthalmol,1980
3. Intraocular pressure, glaucoma, and glaucoma suspects in a defined population;Hollows, F.C.; Graham, P.A.;Bry Ophthalmol,1966
4. Revised Framingham eye study prevalence of glaucoma and diabetic retinopathy;Kahn, H.A.; Milton, R.C.;Am J Epidemiol,1980
5. Factors associated with formal symptom referral;Hannay, DR;Soc Sci Med,1979