polydactyly, postaxial, type A4 https://www.malacards.org/card/polydactyly_postaxial_type_a4 MONDO:0012059 MESH:C563909 MEDGEN:325272 OMIM:608562 UMLS:C1837868 GARD:0018175 polydactyly, postaxial, type A4 postaxial polydactyly type A