“COVID-19 or Not COVID-19, That Is the Question. The Role of Screening Criteria and Point-of-Care Lung Ultrasound in the Triage Decision-Making Process in an Emergency Department During the Phase 2 of the COVID-19 Italian Epidemic”. Emergency Care Journal, vol. 17, no. 2, June 2021, https://doi.org/10.4081/ecj.2021.9708.