Yi, Zeng <br/><br/>
Causes and implications of the recent increanse in the reported sex ratio in birth in China 

<br/><br/> pp. 283-302 
<br/><br/> tbls. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Masculinidad<br/>Nacimientos<br/>Declaración de Nacimientos<br/>Aborto<br/>China