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

Fig. 2.

Fig. 2

Linearity under dilution of two specimens with different activity of salivary alpha-amylase (sAA): 755.2 and 152.1 U/L, specimen 1 and 2 respectively. The ‘x’ expressed sAA activity measured and ´y´ sAA expected level at the particular dilution. r = Pearson r-value of linear correlation