tokens: Tobacco smoke ( TS ) exposure is a major risk factor for human disease , and macrophages of healthy smokers have a depressed capacity to release cytokines , including tumor necrosis factor ( TNF ) alpha .
folded_tokens: tobacco smoke ( ts ) exposure is a major risk factor for human disease , and macrophages of healthy smokers have a depressed capacity to release cytokines , including tumor necrosis factor ( tnf ) alpha .
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