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. 2017 Aug 22;13:266. doi: 10.1186/s12917-017-1191-4

Fig. 3.

Fig. 3

Limit of quantification graph for detection of salivary alpha-amylase (sAA) activity. Horizontal line show the highest coefficient of variation (CV) accepted (20%) for the limit of quantification calculation. The vertical line reflects the analytical limit of detection (1.6 U/L)