PTH: Redefining Reference Ranges in a Healthy Population—The Role of Interfering Factors and the Type of Laboratory Assay oleh Simona Censi, Maurizio Iacobone, Stefano Simmini, Jacopo Manso, Giulio Franceschet, Mario Plebani, Anna Chiara Frigo, Martina Zaninotto, Francesca Torresan, Giustina De Silvestro, Carla Scaroni, Caterina Mian, Valentina Camozzi