_:b56940714 _:b56940716 . _:b56940716 _:b56940717 . _:b56940714 _:b56940715 . _:b56940715 "C0019699" . _:b56940717 . _:b56940714 "0.83"^^ . _:b56940715 "T034" . _:b56940716 . _:b56940717 "Seropositivity" . _:b56940714 . _:b56940714 . _:b56940714 .