Hirai, N <br/><br/>
[Sexual precocity and environmental factors].  [electronic resource] 

 -  [Kango gijutsu] : [Nursing technique]  May 1973 
 - 108-14 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0449-752X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment<br/>Puberty, Precocious<br/>Sexual Behavior