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Figure 3 Age and transfusion as a function of the number of antithrombin and antiplatelet agents used. Acute (<24 h) agents considered include: 1) aspirin or clopidogrel, 2) unfractionated heparin, 3) low molecular weight heparin, and 4) glycoprotein IIb/IIIa inhibitors. Rate of transfusion displayed by patient age and number of agents delivered during hospital stay.
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