Blood Selenium Concentrations Are Inversely Associated with the Risk of Undernutrition in Older Adults - Garcia-Esquinas, Esther; Carballo-Casla, Adrian; Ortola, Rosario; Sotos-Prieto, Mercedes; Olmedo, Pablo; Gil, Fernando; Plans-Beriso, Elena; Fernandez-Navarro, Pablo; Pastor-Barriuso, Roberto; Rodriguez-Artalejo, Fernando (Nutrients, 2023)