Tomar, Scott L <br/><br/>
Errors in analyzing associations between use of smokeless tobacco and cigarettes.  [electronic resource] 

 -  Addiction (Abingdon, England)  Feb 2004 
 - 260-2; author reply 262-4 p.  digital 
<br/><br/> Publication Type: Letter; Comment 
<br/><br/><label>ISSN: </label>0965-2140 
<br/><br/><label>Standard No.: </label>10.1111/j.1360-0443.2003.00650.x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Bias<br/>Epidemiologic Methods<br/>Humans<br/>Male<br/>Research Design--standards<br/>Smoking--psychology<br/>Smoking Cessation--psychology<br/>Tobacco Use Disorder--etiology<br/>Tobacco, Smokeless