Figure 3From: Characterising human atherosclerotic carotid plaque tissue composition and morphology using combined spectroscopic and imaging modalitiesAverage absorbance ± standard deviation of (A) lipid to collagen and (B) calcification to collagen ratio for each plaque group as classified by mechanical stiffness (LS = low stiffness, MS = medium stiffness and HS = high stiffness).Back to article page