Bernstein-Weiner, M E <br/><br/>
Time of fertilization and sex ratio of offspring.  [electronic resource] 

 -  Annals of human biology  Jul 1977 
 - 389-90 p.  digital 
<br/><br/> Publication Type: Letter 
<br/><br/><label>ISSN: </label>0301-4460 
<br/><br/><label>Standard No.: </label>10.1080/03014467700002341  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Age Factors<br/>Animals<br/>Cattle<br/>Coitus<br/>Estrus<br/>Female<br/>Fertilization<br/>Humans<br/>Pregnancy<br/>Sex Ratio