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. 2015 Sep 15;5:14119. doi: 10.1038/srep14119

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The potential routes of nicotine transfer to ragworms from smoked cigarette filter (a) toxicants in seawater, and (b) microfibres in sediment. The bioconcentration of nicotine and cotinine by ragworms following 96 h exposure to smoked cigarette filter (c) toxicants in seawater, and (d) microfibres in sediment.