1.
Rev. bras. saúde matern. infant
;
12(1): 11-12, jan.-mar. 2012.
Article
in Portuguese
| LILACS, BVSAM
| ID: lil-626589
2.
Rev. chil. cir
;
60(5): 473-480, oct. 2008.
Article
in Spanish
| LILACS
| ID: lil-549994