Substance Use Among Young People in Urban Environments / 
World Health Organization; ed. I.S. Obot, Sh. Saxena. 
 - Geneva :  World Health Organization,  2005. 
 - 209 p. ;  20 cm. 
<br/><br/>Includes bibliographical refernces 
<br/><br/><label>ISBN: </label>92 4 156306 0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Substance abuse--epidemiology<br/>Substance--epidemiology--related disorders<br/>Urbanization<br/>Abolescent