| Main Author: | |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2009-10-01
|
| Series: | Revista Portuguesa de Pneumologia |
| Online Access: | http://www.scielo.oces.mctes.pt/scielo.php?script=sci_arttext&pid=S0873-21592009000500001 |
