TY  - RPRT
TI  - Performance evaluation of contemporary spirometers.
AU  - S B Nelson
AU  - R M Gardner
AU  - R O Crapo
AU  - R L Jensen
PY  - 1990
DO  - 10.1378/chest.97.2.288
UR  - https://pubmed.ncbi.nlm.nih.gov/2298052/
ID  - 2298052
ER  -