Verrusio, Walter, Paola Andreozzi, Alessia Renzi, Marco Musumeci, Nicolò Gueli, and Mauro Cacciafesta. “Association Between Serum Vitamin D and Metabolic Syndrome in Middle-Aged and Older Adults and Role of Supplementation Therapy With Vitamin D”. Annali dell’Istituto Superiore di Sanità 53, no. 1 (June 6, 2017): 54–59. Accessed July 27, 2024. https://annali.iss.it/index.php/anna/article/view/433.