_:vb50946455 . _:vb50946455 . _:vb50946455 . _:vb50946455 "An osteochondrodysplasia characterized by platyspondyly (flattened vertebrae) and marked hip and knee metaphyseal lesions."^^ . _:vb50946455 . _:vb50946455 "url:https://pubmed.ncbi.nlm.nih.gov/16752352/"^^ . _:vb50946455 .