TY  - RPRT
TI  - Standardization of different spirometers.
AU  - B A Ali
AU  - Y M Abro
AU  - N H Javed
AU  - M S Islam
PY  - 1988
DO  - 10.1159/000195397
UR  - https://pubmed.ncbi.nlm.nih.gov/3387691/
ID  - 3387691
ER  -