plasma lipids , apoprotein a-i and b in serum and in lipoprotein fractions ( vldl + ldl , hdl2 , and hdl3 ) obtained by preparative ultracentrifugation , as well as postheparin lipoprotein lipase activity ( h-tgl and lpl ) were evaluated in 17 subjects with primary biliary cirrhosis ( stage ii and iii ) subdivided into two groups according to the presence or absence of lipoprotein x ( lp-x ) .
C0023820
lipoprotein
C0023819
lipoprotein x