A lower global lung ultrasound score is associated with higher likelihood of successful extubation in invasively ventilated COVID-19 patients by Pierrakos, C, Lieveld, A, Pisani, L, Smit, MR, Heldeweg, M, Hagens, LA, Smit, J, Haaksma, M, Veldhuis, L, Schmidt, RW, Errico, G, Marinelli, V, Attou, R, David, CE, Zimatore, C, Murgolo, F, Grasso, S, Mirabella, L, Cinnella, G, De Bels, D, Schultz, MJ, Tuinman, P-R, Bos, LD