1. Course and outcome of ocular sarcoidosis;Karma;Am J Ophthalmol,1988
2. Sarcoidosis and systemic vasculitis;Fernandes;Semin Arthritis Rheum,2000
3. 3. Stern GA. Peripheral corneal disease. In: Krachmer JH, Mannis MJ, Holland EJ, editors. Cornea: fundamentals, diagnostic, management. 3rd ed. St Louis (MO): Elsevier; 2011. Cap. 3, p.339-52.
4. Systemic disorders associated with peripheral corneal ulceration;Ladas;Curr Opin Ophthalmol,2000
5. Vasculitic peripheral ulcerative keratitis;Messmer;Surv Ophthalmol,1999