Annual samples sent in Brazil presented a decreasing trend (R 2 = 0.53) and, over the months, a higher concentration of samples was observed between May and August (R 2 = 0.69).
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Annual samples sent in Brazil presented a decreasing trend (R 2 = 0.53) and, over the months, a higher concentration of samples was observed between May and August (R 2 = 0.69).