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Rev. chil. obstet. ginecol
;
76(2): 61-63, 2011. ilus
Article
in Spanish
| LILACS
| ID: lil-592079
2.
Femina
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28(10): 573-5, nov.-dez. 2000.
Article
in Portuguese
| LILACS
| ID: lil-285672
3.
In. Bucheli Terán, Rubén. Temas de anticoncepción. Quito, EDIMEC, 1997. p.59-82.
Monography
in Spanish
| LILACS
| ID: lil-249668