«Large-scale genome-wide scans do not support petaloid toenail as a Mendelian trait». Journal of Genetics and Genomics. 43 (12): 702–704. 20. desember 2016. PMID27964859. doi:10.1016/j.jgg.2016.10.003.
Chi CC, Wang SH (August 2004). «Inherited accessory nail of the fifth toe cured by surgical matricectomy». Dermatologic Surgery. 30 (8): 1177–9. PMID15274716. doi:10.1111/j.1524-4725.2004.30351.x.
«Large-scale genome-wide scans do not support petaloid toenail as a Mendelian trait». Journal of Genetics and Genomics. 43 (12): 702–704. 20. desember 2016. PMID27964859. doi:10.1016/j.jgg.2016.10.003.
Chi CC, Wang SH (August 2004). «Inherited accessory nail of the fifth toe cured by surgical matricectomy». Dermatologic Surgery. 30 (8): 1177–9. PMID15274716. doi:10.1111/j.1524-4725.2004.30351.x.