3 ms·
If you processed archival samples and current samples in the same facility, and on the same machines, your immediate prior should be that your archival samples
by hprotagonist 6y ago
If you processed archival samples and current samples in the same facility, and on the same machines, your immediate prior should be that your archival samples were contaminated during the assay.
- sjg007 6y agoThey run controls for this reason. So a known negative sample gets processed through the same workflow using the same machines etc...