using rat plasma lipoproteins isolated by sequential flotation as standards , these fractions were shown to correspond to high-density lipoprotein ( hdl2 ) , very-low-density lipoprotein ( vldl ) and a mixed low-density lipoprotein ( ldl ) /high-density lipoprotein ( hdl1 ) fraction .
C0023820
lipoproteins
C0023825
very-low-density lipoprotein