. "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."^^ . "brachydactyly type B1"^^ . "DOID:0110969"^^ . "disease_ontology"^^ . "BDB1"@en . . . "OMIM:113000"^^ .