TY  - RPRT
TI  - Endobronchial valves.
AU  - A Barbato
AU  - A Novello
AU  - F Tormena
PY  - 1994
DO  - 10.1136/thx.49.5.528-e
UR  - https://pubmed.ncbi.nlm.nih.gov/8016783/
ID  - 8016783
ER  -