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Note: Cigarette smoke has both proinflammatory and immune-suppressive effects on the immune system
iu ny s lm cho nhiu loi nc hoa b c xt hoc trn ln vi cc loi du khc c trn b mt , v c th to ra mi hng yu, sai lch hoc kh chu.C gng ngh n nhng ni s khng b c xt qu nhiu, chng hn nh cng tay ngoi hoc khuu tay trong ca bn s l v tr thch hp v c vic hn nhiu4, i vaiVai l ni l tng xt nc hoa v chng l khu vc rng gn vi mi ngi khc v thng xuyn tip xc vi khng kh
Material and methods Tobacco products The concentrations of NO, NO 2 , and NO x in SHS were measured of nine commercial cigarette brands (named cigarette A to I) and the 3R4F reference cigarette (Kentucky Tobacco Research and Development Center, University of Kentucky, USA) 26
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