Repeated false-negative tests delayed diagnosis of COVID-19 in a case with granulomatosis with polyangiitis under maintenance therapy with rituximab and concomitant influenza pneumonia

ISSN
0003-4967
Date Issued
2020
Author(s)
Hakroush, Samy
Franz, Jonas
Larsen, Jörg
Winkler, Martin Sebastian
DOI
10.1136/annrheumdis-2020-218491