TY  - RPRT
TI  - Incentive spirometry as screening pulmonary test.
AU  - A K Dewan
AU  - N Rao
AU  - S Kumar
PY  - 1996
DO  - 10.1002/(sici)1096-9098(199611)63:3<209::aid-jso14>3.0.co;2-#
UR  - https://pubmed.ncbi.nlm.nih.gov/8944068/
ID  - 8944068
ER  -