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. 2015 Oct 30;5(4):678–711. doi: 10.3390/bios5040678

Figure 10.

Figure 10

(a) Principal Component Analysis (PCA) of honey bee sonograms in response to exposure to a variety of chemicals, published in the patent disclosure [94]; (b) PCA of honey bee sonograms relative to infestation rates of varroa mites [95].