Snow, D L <br/><br/>
Panel attrition and external validity in adolescent substance use research.  [electronic resource] 

 -  Journal of consulting and clinical psychology  Oct 1992 
 - 804-7 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0022-006X 
<br/><br/><label>Standard No.: </label>10.1037//0022-006x.60.5.804  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Child<br/>Cross-Sectional Studies<br/>Female<br/>Follow-Up Studies<br/>Humans<br/>Incidence<br/>Male<br/>Models, Statistical<br/>New England--epidemiology<br/>Patient Dropouts--psychology<br/>Reproducibility of Results<br/>Substance-Related Disorders--epidemiology