The Lancet Respiratory Medicine The Lancet Respiratory Medicine, Elsevier, 2021, 9 (3), pp.295-304. ⟨10.1016/S2213-2600(20)30556-7⟩ The Lancet Respiratory Medicine, 2021, 9 (3), pp.295-304. ⟨10.1016/S2213-2600(20)30556-7⟩ The Lancet. Respiratory Medicine