Schillani, Giulia, Daniel Era, Tania Cristante, Giorgio Mustacchi, Martina Richiardi, Luigi Grassi, and Tullio Giraldi. 2013. “5-HTTLPR Polymorphism and Anxious Preoccupation in Early Breast Cancer Patients”. Radiology and Oncology 46 (4). https://www.radioloncol.com/index.php/ro/article/view/1508.