1. Dryja, T.P. and Berson, E.L. 1995. Retinitis pigmentosa and allied diseases: Implications of genetic heterogeneity. Invest Ophthalmol. Vis. Sci. 36: 1197–1200.
2. Gal, A., Apfelstedt-Sylla, E., Janecke, A.R. and Zrenner, E. 1997. Rhodopsin mutations in inherited retinal dystrophies and dysfunctions. Progress in Retinal and Eye Research 16: 51–79.
3. Massof, R.W. and Finkelstein, D. 1987. A two-stage hypothesis for the natural course of retinitis pigmentosa, pp. 29–58 in Advances in the biosciences, Vol. 62. Zrenner, E., Krastel, H., and Goebel, H.-H. (eds.) Pergamon Journals Ltd, Elmsford, NY.
4. Travis, G.H. 1997. Insights from a lost visual pigment. Nature Genetics 15: 115–117.
5. Steinberg, R.H., Flannery, J.G., Naash, M., Oh, P., Matthes, M.T., Yasumura, D. et al. 1996. Transgenic rat models of inherited retinal degeneration caused by mutant opsin genes. Invest. Ophthalmol. Vis. Sci. 37: S698.