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2. Schepens, C. L.: Techniques of examination of the fundus periphery. In Symposium on Retina and Retinal Surgery. Transactions of the New Orleans Academy of Ophthalmology. St. Louis, C. V. Mosby, 1969, p. 39.
3. Wagner's hereditary vitreoretinal degeneration and retinal detachment;Hirose;Arch. Ophthalmol.,1973
4. Lattice degeneration of the retina. Clinical description and course;Straatsma,1966
5. Spencer, L. M., Straatsma, B. R., and Foos, R. Y.: Tractional degenerations of the peripheral retina. In Symposium on Retina and Retinal Surgery. Transactions of the New Orleans Academy of Ophthalmology. St. Louis, C. V. Mosby, 1969, p. 103.