Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePC<sub>20</sub> versus PD<sub>20</sub>: Why Change a Scientifically Well-Established and Clinically Relevant Test?AuthorsAmirav, Israel; Newhouse, Michael TPublicationAmerican Journal of Respiratory & Critical Care Medicine, 2019, Vol 199, Issue 8, p1037ISSN1073-449XPublication typeAcademic JournalDOI10.1164/rccm.201809-1765LE