Multistage path models of adolescent alcohol and drug use :  a reanalysis / 
Ron D. Hayes [and others] 
 - iii, 28 pages ;  28 cm. 
 - The Rand paper series;  P-7232 .
 - The Rand paper series;  P-7232 .
<br/><br/>Includes bibliographical references: pages 21-24 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Youth--Alcohol use--United States.<br/>Youth--Drug use--United States.<br/>Drug abuse--United States.