Efremov, A F <br/><br/>
[Effect of certain social hygienic and biological factors on the physical development of schoolchildren in a rural locality].  [electronic resource] 

 -  Zdravookhranenie Rossiiskoi Federatsii  May 1973 
 - 17-22 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0044-197X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child<br/>Growth<br/>Humans<br/>Rural Population<br/>Russia<br/>Socioeconomic Factors