1. Primary tumours of the iris;N, I.Ashton;Br J Ophthalmol,1964
2. Hemangioma of the iris and ciliary body: do they exist?;Ferry, A.P.;Int Ophthalmol Clin,1972
3. Differentialdiagnostische Probleme bei Tumoren der vorderen Uvea;Goder, G.; Lommatsch, P.; Noor, M.S.;Klin Monatsbl Augenheilkd,1975
4. Tumors of the eye;Reese, A.B.,1963
5. Angioma of the iris;Amasio, E.; Brovarone, F.V.; Musso, M.;Ophthalmologica,1980