TY  - RPRT
TI  - Standardization of spirometry.
AU  - J L Hankinson
AU  - R M Gardner
PY  - 1988
DO  - 10.1164/ajrccm/137.2.493c
UR  - https://pubmed.ncbi.nlm.nih.gov/3341641/
ID  - 3341641
ER  -