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Zhang MF, Wu SJ, Zhang J, Yang YJ, Tan JZ, Guan HJ, Liu Y, Tang K, Krutmann J, Xu SH, Jin L, Guan YQ, Li H, Wang SJ (20 December 2016). "Large-scale genome-wide scans do not support petaloid toenail as a Mendelian trait". Journal of Genetics and Genomics. 43 (12): 702–704. doi:10.1016/j.jgg.2016.10.003. PMID27964859.