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1 Service de Médecine Interne, Centre Hospitalier Universitaire de Saint-Etienne, 42055 Saint-Etienne Cedex 2, France. pascal.cathebras@chu-st-etienne.fr
1 Service de Médecine Interne, Centre Hospitalier Universitaire de Saint-Etienne, 42055 Saint-Etienne Cedex 2, France. pascal.cathebras@chu-st-etienne.fr