fixation of semi-purified human c1 paralleled these results closely : it occurred with the patient 's igm alone at 0 degrees but not at 37 degrees c , while igm in the presence of the patient 's lipoprotein , or of vldl from normal serum , fixed c1 strongly at 37 degrees as well as at 0 degrees c .
C0023820
lipoprotein
C0023825
vldl