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Figure 2. Esterase-like activity measured in human saliva, collected from different subjects and measured with para-nitrophenylacetate (p-NPA), ortho-nitrophenylacetate (o-NPA), para-nitrophenylbutyrate (p-NPB), and ortho-nitrophenylbutyrate (o-NPB), (pH 7.0 at 25°C).

J DENT RES, Vol. 83, No. 1, 22-26 (2004)
DOI: 10.1177/154405910408300105

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