Am J Respir Crit Care Med.
Lipson DA, Crim C, Criner GJ, Day NC, Dransfield MT, Halpin DMG, Han MK, Jones CE, Kilbride S, Lange P, Lomas DA, Lettis S, Manchester P, Martin N, Midwinter D, Morris A, Pascoe SJ, Singh D, Wise RA, Martinez FJ, IMPACT investigators.
doi: 10.1164/rccm.201911-2207OC.