RT电子T1肺embo杂志文章SRlism in COVID-19: D-dimer threshold selection should not be based on maximising the Youden's index JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 2004279 DO 10.1183/13993003.04279-2020 A1 Korevaar, Daniël A. A1 van Es, Josien YR 2020 UL //www.qdcxjkg.com/content/early/2020/12/24/13993003.04279-2020.abstract AB