Combining lung ultrasound and Wells score for diagnosing pulmonary embolism in critically ill COVID-19 patients - Viviane Zotzmann; Daniel Duerschmied; Xavier Bemtgen; Alexander Supady; Dawid L. Staudacher; Christoph Bode; Bonaventura Schmid; Corinna N. Lang; Katharina Mueller-Peltzer; Tobias Wengenmayer (Journal of Thrombosis and Thrombolysis, 2020)