Rierdan, J <br/><br/>
Timing of menarche, preparation, and initial menstrual experience: Replication and further analyses in a prospective study.  [electronic resource] 

 -  Journal of youth and adolescence  Oct 1988 
 - 413-26 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0047-2891 
<br/><br/><label>Standard No.: </label>10.1007/BF02132777  doi