Smits, Luc J M <br/><br/>
Time to pregnancy and sex of offspring: cohort study.  [electronic resource] 

 -  BMJ (Clinical research ed.)  Dec 2005 
 - 1437-8 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1756-1833 
<br/><br/><label>Standard No.: </label>10.1136/bmj.331.7530.1437  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Cohort Studies<br/>Female<br/>Humans<br/>Male<br/>Maternal Age<br/>Netherlands<br/>Pregnancy--statistics & numerical data<br/>Sex Ratio<br/>Time Factors