Commentary: Ultrasound-Guided Biopsy of Pleural-Based Pulmonary Lesions by Injection of Contrast-Enhancing Drugs - Quarato, Carla Maria Irene; De Cosmo, Salvatore; D'Agostino, Federica; Gaudiuso, Giulia; Sperandeo, Marco (Frontiers in Pharmacology, 2020)