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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Pie charts reporting the global composition of the individually identified lipids for the three conditions using their best extraction solvents: fluid blood with IPA, DBS with MeOH/CHCl3 and VAMS with MeOH/MTBE.