because lipoproteins containing apolipoprotein a ( apoa-i + apoa-ii ) or apolipoprotein b ( apob ) seem to exert opposite effects as risk factors for coronary heart disease , we decided to determine the separability of these two major plasma lipoproteins by procedures originally designed to separate high-density from low- and very-low-density lipoproteins .
C0023820
lipoproteins
C0023825
very-low-density lipoproteins