Cunha, A.S. et al. 2019. Third-degree Atrioventricular Block and Asystole Induced by Double-Lumen Tube Intubation: A Rare but Risky Airway Management Complication. Journal of the Portuguese Society of Anesthesiology. 28, 3 (Sep. 2019), 194–197. DOI:https://doi.org/10.25751/rspa.18094.