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. 2019 May 23;9(5):200. doi: 10.3390/biom9050200

Figure 3.

Figure 3

Principal component analysis among donor-matched samples grouped by anticoagulants used for positive mode lipidomics data. Principal component analysis (PCA) showed differences in lipids between CPT and EDTA preservatives. The colored ellipses represent the 95% confidence interval.