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Horsthemke B, Maat-Kievit A, Sleegers E, van den Ouweland A, Buiting K, Lich C, Mollevanger P, Beverstock G, Gillessen-Kaesbach G, Schwanitz G.Horsthemke B, et al.J Med Genet. 1996 Oct;33(10):848-51. doi: 10.1136/jmg.33.10.848.J Med Genet. 1996.PMID: 8933339Free PMC article.