Bertolani, Arianna, Giovanni Fattore, and Fabrizio Pregliasco. “The Hospitalization Burden of Influenza: Just the Tip of the Iceberg?”. Global and Regional Health Technology Assessment 5, no. 1 (July 10, 2018). Accessed April 19, 2024. https://journals.aboutscience.eu/index.php/grhta/article/view/439.