Fig 1. Graph of 5 patient samples diluent sets (1:2, 1:4, 1:8, and 1:16) versus AU/mL levels, ruling out non-specific binding in AnshLabs ELISA assay. AU/mL = Arbitrary unit per milliliter, which is provided by the manufacturer. https://doi.org/10.1371/journal.pone.0240076.g001