TY  - RPRT
TI  - Indications for pulmonary function testing.
AU  - J D Zibrak
AU  - C R O'Donnell
AU  - K Marton
PY  - 1990
DO  - 10.7326/0003-4819-112-10-763
UR  - https://pubmed.ncbi.nlm.nih.gov/2139550/
ID  - 2139550
ER  -