_:vb50935907 . _:vb50935907 . _:vb50935907 "A disease that involving errors in metabolic processes of building or degradation of molecules."^^ . _:vb50935907 "url:http://www.ncbi.nlm.nih.gov/books/NBK22259/"^^ . _:vb50935907 . _:vb50935907 . _:vb50935907 .