to study changes in the contents of plasma lipoproteins in human arteries with age and the relationship of lipoproteins with other arterial constituents , we analyzed the contents of apolipoproteins b ( apo b ) and a-i ( apo a-i ) , free and esterified cholesterol , and glycosaminoglycans ( gag ) in lesion-free aortic intimas of 30 children and adults .
C0023820
lipoproteins
C0003592
apo a