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. 2019 Jan 15;9(1):15. doi: 10.3390/metabo9010015

Figure 1.

Figure 1

(A) A signal with an unfavorable signal-to-noise ratio and surrounded by much higher signals will be probably neglected during visual inspection. (B) When signals in spectrum region are of similar intensity, well above the limit of detection, visual inspection is likely to lead to the comprehensive observation of the metabolome.