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cigarettes with the least chemicals in usa Colorado first to sell low-level nicotine authorized by FDA cigarettes with the least chemicals
Description
Im guessing its kind of like an addict going through detox, only on a smaller scale
Does the manuscript provide a valid rationale for the proposed study, with clearly identified and justified research questions

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During the two different Switch Weeks participants used an active nicotine patch or a placebo patch (and then used the other patch for the next Switch Week)