East, Patricia L <br/><br/>
The younger sisters of child bearing adolescents : their attitudes, expectations, and behaviors 

 - CHicago, EUA 
 - 267-282 
 - 1996 Vol. 67, no. 2, april 
 = CHILD DEVELOPMENT 
<br/><br/><label>Encabezamiento--Término de Indización: </label>ADOLESCENTES CONDUCTA HERMANOS SEXUALIDAD