Fig. 6
From: Changes in lipid composition associated with electronic cigarette use
Individual lipid species differentially measured across groups. Heat map for individual lipids measured across groups for A. Male and B. Female participants. Each species here is statistically significant at P < 0.05. CE cholesterol ester, CER ceramides, FFA free fatty acids, HCER hexosylceramides, PC phosphatidylcholine, PE phosphatidylethanolamine, and SM sphingomyelin