_:vb50941905 "A spondyloepimetaphyseal dysplasia that is characterized by the prenatal onset of extreme short stature, an adult height of less than 85 cm, hypodontia, and mild mental retardation."^^ . _:vb50941905 "url:https://www.ncbi.nlm.nih.gov/books/NBK84550/"^^ . _:vb50941905 . _:vb50941905 . _:vb50941905 . _:vb50941905 .