Certificate of Analysis (COA): A document showing lab results for identity, purity, and/or potency of a batch
doi:10.1024/0300-9831/a000262
Any impurities or incorrect sequences could completely invalidate the results of such a targeted study
Some promoters, like those of GSTU11 and GSTF7 , contained an outstandingly large number of W-boxes (8 and 7 copies, respectively) (Figure 3), which was already reported in the case of GSTF7 (Li et al., 2004)
If the exposure is current, having the home checked and remediated (if necessary) is a key first step
However, if you find that your symptoms are severe, not getting any better, or are worsening, its important to speak with a doctor