TY  - RPRT
TI  - Is exercise testing useful in a community based asthma survey?
AU  - T K Ninan
AU  - G Russell
PY  - 1993
DO  - 10.1136/thx.48.12.1218
UR  - https://pubmed.ncbi.nlm.nih.gov/8303626/
ID  - 8303626
ER  -