F. Ricci, et al. “THE ROLE OF THE DYNAMIC STENT IN THE PALLIATION OF CARINAL AND DISTAL TRACHEAL STENOSES”. Annali Italiani Di Chirurgia, vol. 73, no. 2, Mar. 2002, pp. 211-8, https://annaliitalianidichirurgia.it/index.php/aic/article/view/350.