1. K.C. Ossoinig. Standardized echography: basic principles, clinical applications and results. Intern. Ophthalmol. Clin. 1979;19:4.
2. N. Rosa, G. Cennamo and F. Tranfa. Comparison between echographic and histologic findings in choroidal malignant melanomas. Acta Ophthalmol. 1992;99(204):102.
3. G. Cennamo and N. Rosa. Ruolo dell’ecografia standardizzata nella diagnosi differenziale degli pseudomelanomi. Proc. International Symposium on Intraocular Tumors. Florence, 24 February 1990.
4. G. Cennamo, N. Rosa, T. Foà and A. Mele. Metastatic choroidal lesions: a retrospective study. Proc. 13th SIDUO Congress, Doc. Ophthalmol. Proc. Series 55. In P. Till (ed.), Ophthalmic Echography. 1990: 13:277–283.
5. R. Green. Echographic diagnosis of large choroidal melanomas. Proc. 9th SIDUO Congress, Doc. Ophthalmol. Proc. Series 38. In J.S. Hillman and M.M. Le May (eds), Ophthalmic Ultrasonography. 1983.