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Relative changes from baseline in calculated peripheral vascular resistance (PVR) after infusion of PolybHb. A: PolybHb fractions with molecular mass <500 kDa. B: PolybHb fractions with molecular mass >500 kDa. Broken line represents baseline level. †P < 0.05 relative to baseline. #P < 0.05 compared with PolybHb(50:1).
