Reduced Levels of Selenium and Thioredoxin Reductase in the Thoracic Aorta Could Contribute to Aneurysm Formation in Patients with Marfan Syndrome oleh María Elena Soto, Israel Pérez-Torres, Linaloe Manzano-Pech, Elizabeth Soria-Castro, Almilcar Morales-Marín, Edgar Samuel Ramírez-Marroquín, Humberto Martínez-Hernández, Valentín Herrera-Alarcón, Verónica Guarner-Lans