<qa>  What is the biological efficacy of an association of aspirin and clopidoOur aim is to study the biological efficacy of an association of aspirin and clopidogrel 600 mg loading dose followed by 75 mg maintenance dose using an assay measuring ex vivo shear-induced platelet aggregation SIPA, along with other assays measuring platelet activation and aggregation, in patients with DM, MS, or no DMMS. 