TY  - RPRT
TI  - Reference spirometric values using techniques and equipment that meet ATS recommendations.
AU  - R O Crapo
AU  - A H Morris
AU  - R M Gardner
PY  - 1981
DO  - 10.1164/arrd.1981.123.6.659
UR  - https://pubmed.ncbi.nlm.nih.gov/7271065/
ID  - 7271065
ER  -