TY  - RPRT
TI  - Spirometric reference values from a sample of the general U.S. population.
AU  - J L Hankinson
AU  - J R Odencrantz
AU  - K B Fedan
PY  - 1999
DO  - 10.1164/ajrccm.159.1.9712108
UR  - https://pubmed.ncbi.nlm.nih.gov/9872837/
ID  - 9872837
ER  -