Bugalho A, Ribeiro C, Nunes O, Ferreira M, Borralho P, Bernardo M. Transtracheal Biopsies in a Mediastinal Tumor: A Viable Diagnostic Method. GM [Internet]. 29Sep.2017 [cited 1Jan.2020];4(3). Available from: http://www.gazetamedica.pt:80/index.php/gazeta/article/view/61