_:vb50942435 . _:vb50942435 . _:vb50942435 . _:vb50942435 "url:https://www.ncbi.nlm.nih.gov/pubmed/19853237"^^ . _:vb50942435 . _:vb50942435 "An amelogenesis imperfecta caused by homozygous mutation in the WDR72 gene."^^ . _:vb50942435 .