1.
Rev. Soc. Chil. Obstet. Ginecol. Infant. Adolesc
;
20(1): 8-13, 2013. tab
Article
in Spanish
| LILACS
| ID: lil-716873
2.
Rev. Soc. Chil. Obstet. Ginecol. Infant. Adolesc
;
17(1): 8-12, 2010. ilus
Article
in Spanish
| LILACS
| ID: lil-718924