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The analysis of wall shear stress is, therefore, fundamental in hemodynamic studies.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective:<\/jats:title><jats:p>The aim of this work is to study numerically the influence of the shear thinning blood properties on the hemodynamics in the abdominal aortic bifurcation for a patient-specific at rest.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods:<\/jats:title><jats:p>Were tested two models for the blood dynamic viscosity, one Newtonian and other non-Newtonian, with dependence on hematocrit and total protein minus albumin.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results and Conclusion:<\/jats:title><jats:p>The results show the shear thinning behavior influence on the velocity distribution and wall shear stress. Furthermore, wall shear stress values are globally lower for non-Newtonian blood model at high velocity values than those for the Newtonian blood model. 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