PT  - JOURNAL ARTICLE
AU  - Christoph Elbl
AU  - Josef X. Brunner
AU  - Dominic Schier
AU  - Adrian Junge
AU  - Helge Junge
TI  - Protective face masks add significant dead space
AID  - 10.1183/13993003.01131-2021
DP  - 2021 Sep 01
TA  - European Respiratory Journal
PG  - 2101131
VI  - 58
IP  - 3
4099  - http://erj.ersjournals.com/content/58/3/2101131.short
4100  - http://erj.ersjournals.com/content/58/3/2101131.full
SO  - Eur Respir J2021 Sep 01; 58