TY  - RPRT
TI  - Exercise and chronic obstructive pulmonary disease.
AU  - C G Gallagher
PY  - 1990
DO  - 10.1016/s0025-7125(16)30542-9
UR  - https://pubmed.ncbi.nlm.nih.gov/2186235/
ID  - 2186235
ER  -