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. 2017 Mar 15;7:44466. doi: 10.1038/srep44466

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/

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in situ MS/MS spectra of [M + K]⁺ ions of some typical phospholipids: (a) m/z 713.4, [PC(32:0) + K-59]⁺; (b) m/z 739.4, [PC(34:1) + K-59]⁺; (c) m/z 806.4, [PE(38:4) + K]⁺ and (d) m/z 874.4, [PS(40:6) + K]⁺.