Billewicz, W Z <br/><br/>
Post-menarcheal menstrual cycle in British (Newcastle upon Tyne) girls.  [electronic resource] 

 -  Annals of human biology   
 - 177-80 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0301-4460 
<br/><br/><label>Standard No.: </label>10.1080/03014468000004201  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>England<br/>Female<br/>Humans<br/>Menarche<br/>Menstruation<br/>Periodicity<br/>Seasons