_:vb50956438 "url:http://en.wikipedia.org/wiki/Tyrosinemia"^^ . _:vb50956438 . _:vb50956438 . _:vb50956438 "An amino acid metabolic disorder that involves impaired break down of the amino acid tyrosine."^^ . _:vb50956438 . _:vb50956438 . _:vb50956438 .