Maconochie, N <br/><br/>
Sex ratios: are there natural variations within the human population?  [electronic resource] 

 -  British journal of obstetrics and gynaecology  Sep 1997 
 - 1050-3 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0306-5456 
<br/><br/><label>Standard No.: </label>10.1111/j.1471-0528.1997.tb12065.x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Birth Order<br/>Family Characteristics<br/>Female<br/>Forecasting<br/>Humans<br/>Male<br/>Population Surveillance<br/>Scotland--epidemiology<br/>Sex Ratio