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Objective: Investigate the association between tobacco use and non-Hodgkin lymphoma (NHL). Methods: Tobacco-use data were collected during in-person interviews in a population-based case–control study of NHL (N=1593 patients, N=2515 controls) conducted in the San Francisco Bay Area between 1988 and 1995. Odds ratios (ORs) for HIV-negative participants were obtained from adjusted unconditional logistic...
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