_:vb50944004 . _:vb50944004 "url:https://www.ncbi.nlm.nih.gov/pubmed/10700182"^^ . _:vb50944004 . _:vb50944004 "A brachydactyly characterized by short middle phalanges, rudimentary or absent terminal phalanges and nail aplasia that has_material_basis_in heterozygous mutation in the ROR2 gene on chromosome 9q22."^^ . _:vb50944004 . _:vb50944004 "url:https://www.ncbi.nlm.nih.gov/pubmed/9973295"^^ . _:vb50944004 . _:vb50944004 .