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. 2021 Mar 26;413(10):2779–2791. doi: 10.1007/s00216-021-03210-0

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© The Author(s) 2021

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Fig. 2 — H&E-stained images from liver tissue (a) and liver tissue homogenates (b). MRM images of m/z 782 are shown from liver tissue (c) and liver tissue homogenates (d). Pixel-to-pixel variation of m/z 782 in liver tissue (c) and liver tissue homogenates (d) is <21% RSD and <24% RSD for n = 30 pixels, respectively