1.
Rev. am. med. respir
;
11(3): 147-150, sept. 2011. ilus
Article
in Spanish
| LILACS
| ID: lil-655774
2.
Rev. am. med. respir
;
9(2): 100-106, jun. 2009. ilus
Article
in Spanish
| LILACS
| ID: lil-535633