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. 2018 Aug 28;10:87. doi: 10.1186/s13195-018-0418-3

Fig. 4.

Fig. 4

Correlation of variability between Aβ1–42 concentrations measured in two aliquots prepared by a given laboratory and duration of preparation of these aliquots. Variability expressed as absolute difference between concentrations in the two aliquots prepared by a given laboratory divided by average of these two concentrations. Aβ amyloid beta