tokens: Structurally related divalent cations like cobalt , nickel , and mercury also partially increase monokine secretion but to a much lower and thus insignificant extent .
folded_tokens: structurally related divalent cations like cobalt , nickel , and mercury also partially increase monokine secretion but to a much lower and thus insignificant extent .
labels: O O O B-atom O O O O O O O O O O O O O O O O O O O O O O