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Box plots diagrams of plasma concentrations of free cholesterol, PC-O [36∶4], PC-O [38∶4], PE-O [38∶5], PE-O [38∶6], and PE-O [40∶5] in a group of men with hypertension (n = 19) and a control group of men without hypertension (n = 51) determined by top-down shotgun mass spectrometry. Statistical analyses by univariate analyses of variance. * p≤0.05, ** p≤0.01.
