Semple-Rowland, S. L., Lee, N. R., Van Hooser, J. P., Palczewski, K., & Baehr, W. (1998). A null mutation in the photoreceptor guanylate cyclase gene causes the retinal degeneration chicken phenotype. The National Academy of Sciences.

Semple-Rowland, Susan L., Nancy R. Lee, J. Preston Van Hooser, Krzysztof Palczewski, und Wolfgang Baehr. A Null Mutation in the Photoreceptor Guanylate Cyclase Gene Causes the Retinal Degeneration Chicken phenotype. The National Academy of Sciences, 1998.

Semple-Rowland, Susan L., et al. A Null Mutation in the Photoreceptor Guanylate Cyclase Gene Causes the Retinal Degeneration Chicken phenotype. The National Academy of Sciences, 1998.