I've read that before there is tissue decay, which this test would be for, there's a preceeding biochemical phase: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC

I've read that before there is tissue decay, which this test would be for, there's a preceeding biochemical phase: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2819840/figure/F2/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2819840/figure/...