Piersiala, Krzysztof, Anna Loroch, Joanna Jackowska, and Malgorzata Wierzbicka. 2021. “An Incidental Finding of a Double-Lumen Trachea”. Acta Médica Portuguesa 34 (3). Lisbon, Portugal:229-31. https://doi.org/10.20344/amp.12000.