TY  - RPRT
TI  - Surgery for severe emphysema.
AU  - N Berend
PY  - 1997
DO  - 10.5694/j.1326-5377.1997.tb138869.x
UR  - https://pubmed.ncbi.nlm.nih.gov/9397036/
ID  - 9397036
ER  -