Hypovitaminosis D is Independently Associated with Metabolic Syndrome in Obese Patients Barchetta, Ilaria ; De Bernardinis, Marzia ; Capoccia, Danila ; Baroni, Marco Giorgio ; Fontana, Mario ; Fraioli, Antonio ; Morini, Sergio ; Leonetti, Frida ; Cavallo, Maria Gisella Abstract Publication: PLoS ONE Pub Date: July 2013 DOI: 10.1371/journal.pone.0068689 Bibcode: 2013PLoSO...868689B