Errors in analyzing associations between use of smokeless tobacco and cigarettes.
Tomar
Scott L
SL
Loree
Michael
M
D000293:Adolescent; D000328:Adult; D015982:Bias; D004812:Epidemiologic Methods; D006801:Humans; D008297:Male; D012107:Research Design / Q000592:standards; D012907:Smoking / Q000523:psychology*; D016540:Smoking Cessation / Q000523:psychology; D014029:Tobacco Use Disorder / Q000209:etiology*; D014030:Tobacco, Smokeless