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Example mass spectra (baseline-subtracted, smoothed, y-axis-autoscaled, and covering the mass range 2 kDa to 20 kDa) for Laothoe populi (1966) (A), Smerinthus ocellata (1966) (B), Deilephila elpenor (1966) (C), Laothoe populi (2012) (D), Smerinthus ocellata (2017) (E), and Deilephila elpenor (2013) (F).
