Gudiel Arriaza, Paola, Amparo Sánchez Serrano, Jorge Marques do Vale, Isabel Gil Pereira, António Simões Torres, and Maria José Martín Sánchez. 2016. “Massive Upper Airway Bleeding: A Rare Case of Aortobronchial Fistula”. Acta Médica Portuguesa 29 (6). Lisbon, Portugal:409-12. https://doi.org/10.20344/amp.6842.