Kurth, I., Klopocki, E., Stricker, S., van Oosterwijk, J., Vanek, S., Altmann, J., et al. (2009). Duplications of noncoding elements 5' of SOX9 are associated with brachydactyly-anonychia. Nature Genetics, 41(8), 862-863. doi:10.1038/ng0809-862.