_:b56887766 _:b56887768 . _:b56887766 "1"^^ . _:b56887766 . _:b56887766 . _:b56887769 "procalcitonin" . _:b56887767 "C0072027" . _:b56887767 "T116" . _:b56887766 _:b56887767 . _:b56887767 "T123" . _:b56887769 . _:b56887768 _:b56887769 . _:b56887766 . _:b56887768 .