Comparison of Lung Ultrasound versus Chest X-ray for Detection of Pulmonary Infiltrates in COVID-19 oleh María Mateos González, Gonzalo García de Casasola Sánchez, Francisco Javier Teigell Muñoz, Kevin Proud, Davide Lourdo, Julia-Verena Sander, Gabriel E. Ortiz Jaimes, Michael Mader, Jesús Canora Lebrato, Marcos I. Restrepo, Nilam J. Soni