Cormack, M <br/><br/>
Menstrual cycle variations in cognitive ability: a preliminary report.  [electronic resource] 

 -  International journal of chronobiology  1974 
 - 53-5 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0300-9998 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cognition<br/>Female<br/>Humans<br/>Intelligence Tests<br/>Menstruation<br/>Ovulation<br/>Periodicity