Jabs, Douglas A.; Mudun, Abdulbaki; Dunn, J.P.; Marsh, Marta J. (Oct 2000). "Episcleritis and scleritis: clinical features and treatment results". American Journal of Ophthalmology. 130 (4): 469–476. doi:10.1016/S0002-9394(00)00710-8. PMID11024419.
Jabs, Douglas A.; Mudun, Abdulbaki; Dunn, J.P.; Marsh, Marta J. (Oct 2000). "Episcleritis and scleritis: clinical features and treatment results". American Journal of Ophthalmology. 130 (4): 469–476. doi:10.1016/S0002-9394(00)00710-8. PMID11024419.