TY  - RPRT
TI  - Lung-reduction surgery: 5 years on.
AU  - J D Cooper
AU  - S S Lefrak
PY  - 1999
DO  - 10.1016/s0140-6736(99)90227-1
UR  - https://pubmed.ncbi.nlm.nih.gov/10319930/
ID  - 10319930
ER  -