Fellman, Johan <br/><br/>
Sex ratio in sibships with twins.  [electronic resource] 

 -  Twin research and human genetics : the official journal of the International Society for Twin Studies  Apr 2008 
 - 204-14 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1832-4274 
<br/><br/><label>Standard No.: </label>10.1375/twin.11.2.204  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chi-Square Distribution<br/>Female<br/>Humans<br/>Male<br/>Registries<br/>Sex Ratio<br/>Siblings<br/>Twins