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. 2020 Jan 15;15(1):e0227837. doi: 10.1371/journal.pone.0227837

Fig 3. Total TSNAs and carcinogenic TSNA (NNN+NNK) concentrations (mg/g, wet weight) for US snus (USALL), Northern Europe snus (NEALL), NE snus with “standard” descriptors (NEStd) and NE snus with “strong” descriptors (NEStrg).

Fig 3

Note: USALL (n = 8: all 8 portion); NEALL (n = 56: 7 loose and 49 portion); NEStd. (n = 39: 6 loose and 33 portion); NEStrg (n = 17: 1 loose and 16 portion).