_:b57611834 . _:b57611834 . _:b57611836 _:b57611837 . _:b57611834 _:b57611836 . _:b57611837 "prevalence" . _:b57611834 _:b57611835 . _:b57611836 . _:b57611835 "C0220900" . _:b57611834 "1"^^ . _:b57611837 . _:b57611835 "T081" . _:b57611834 .