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. 2016 Jan 28;6:20066. doi: 10.1038/srep20066

Figure 4.

Figure 4

(a) NIR spectra, preprocessed with baseline correction, in the 6200–4000 cm−1 region and (b) their second derivatives of the yolk from the first day after fertilization to the day before hatching. (JBH: just before hatching).