TY  - RPRT
TI  - Standard flow-time waveforms for testing of PEF meters.
AU  - J L Hankinson
AU  - R O Crapo
PY  - 1995
DO  - 10.1164/ajrccm.152.2.7633728
UR  - https://pubmed.ncbi.nlm.nih.gov/7633728/
ID  - 7633728
ER  -