_:vb50944008 . _:vb50944008 "A brachydactyly characterized by short and broad terminal phalanges of the thumbs and big toes that has_material_basis_in mutation in the HOXD13 gene on chromosome 2q31.1."^^ . _:vb50944008 . _:vb50944008 . _:vb50944008 . _:vb50944008 . _:vb50944008 "url:https://www.ncbi.nlm.nih.gov/pubmed/12649808"^^ .