whole blood was collected after 12 hours ' fasting and immediately centrifuged prior to determination of plasma lipids ( total cholesterol and triglycerides , by enzymatic assay ) , lipoprotein lipids ( hdl , hdl2 , hdl3 , ldl , vldl separated by ultracentrifugation in density gradient ) , apoproteins a1 and b ( by laser immunonephelometry ) and post-heparin lipoprotein lipase activity ( phla ) .
C0023779
lipids
C0023820
lipoprotein