Ying Hao Li, Z. Y., Wong, F., Chang, J. H., Possin, D. E., Hao, Y., Petters, R. M., & Milam, A. H. (1998). Rhodopsin transgenic pigs as a model for human retinitis pigmentosa. Investigative Ophthalmology and Visual Science, 39(5), 808–819. Petters, R. M., Alexander, C. A., Wells, K. D., Collins, E. B., Sommer, JR, Blanton, M. R., … Wong, F. (1997). Genetically engineered large animal model for studying cone photoreceptor survival and degeneration in retinitis pigmentosa. NATURE BIOTECHNOLOGY, 15(10), 965–970. https://doi.org/10.1038/nbt1097-965