1.
Rev. Hosp. Matern. Infant. Ramon Sarda
;
27(4): 166-179, 2008. graf, tab
Article
in Spanish
| LILACS
| ID: lil-572750
2.
Rev. Hosp. Matern. Infant. Ramon Sarda
;
26(3): 116-131, 2007. tab, graf
Article
in Spanish
| LILACS
| ID: lil-471162