Attard Camilleri, Stephanie, Juanita Camilleri Casingena, Kentaro Yamagata, and Martin Balzan. “Predictors of Yearly Influenza Vaccination in Hospitalized and Community-Based Patients”. Multidisciplinary Respiratory Medicine 13, no. 1 (August 1, 2018). Accessed May 19, 2025. https://mrmjournal.org/index.php/mrm/article/view/164.