1.
Rev. chil. enferm. respir
;
26(1): 40-46, mar. 2010. graf, ilus, tab
Article
in Spanish
| LILACS
| ID: lil-556757
2.
Pediatr. día
;
20(1): 77-83, mar.-abr. 2004. tab
Article
in Spanish
| LILACS
| ID: lil-410295