Table 1.

Blood samples used in experiments to determine RBC aggregation.

Sample 1	840 μl blood + 0 μl HetaSep + 160 μl PBS	–
Sample 2	840 μl blood + 40 μl HetaSep + 120 μl PBS	0.28% (wt/v) HES
Sample 3	840 μl blood + 80 μl HetaSep + 80 μl PBS	0.57% (wt/v) HES
Sample 4	840 μl blood + 160 μl HetaSep	1.14% (wt/v) HES