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. 2018 Aug 6;20(6):2028–2043. doi: 10.1093/bib/bby066

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© The Author(s) 2018. Published by Oxford University Press.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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A mass spectral tree with nodes corresponding to individual mass spectra with different levels. Mass spectral trees are characterized by depth ( level) and breadth (the number of product ions chosen for the subsequent fragmentation). The figure is adapted from [61].

Inline graphic — A mass spectral tree with nodes corresponding to individual mass spectra with different levels. Mass spectral trees are characterized by depth ( level) and breadth (the number of product ions chosen for the subsequent fragmentation). The figure is adapted from [61].