blood was collected on 4 occasions and was analysed for free and total cholesterol and triglycerides and phospholipids in the lipoprotein fractions , very-low-density lipoproteins ( vldl ) , low-density lipoproteins ( ldl ) and high-density lipoproteins ( hdl ) .
C0023820
lipoprotein
C0023825
very-low-density lipoproteins