TY  - RPRT
TI  - Editorial: Setting the limits of normal for pulmonary function: a problem and a paradox.
AU  - B J Sobol
PY  - 1974
DO  - 10.1378/chest.65.3.240
UR  - https://pubmed.ncbi.nlm.nih.gov/4813829/
ID  - 4813829
ER  -