van Es RJ, Wittebol-Post D, Beemer FA (September 2007). "Oculodentodigital dysplasia with mandibular retrognathism and absence of syndactyly: a case report with a novel mutation in the connexin 43 gene". Int J Oral Maxillofac Surg. 36 (9): 858–60. doi:10.1016/j.ijom.2007.03.004. PMID17509830.
van Es RJ, Wittebol-Post D, Beemer FA (September 2007). "Oculodentodigital dysplasia with mandibular retrognathism and absence of syndactyly: a case report with a novel mutation in the connexin 43 gene". Int J Oral Maxillofac Surg. 36 (9): 858–60. doi:10.1016/j.ijom.2007.03.004. PMID17509830.