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Nicotine, which is a component of the tar phase, is the most dangerous of all the identified elements of cigarette smoke (20)

Bibcode:2018NatSR...817028F

[DOI] [PubMed] [Google Scholar] 83.Winickoff JP, Hartman L, Chen ML, Gottlieb M, Nabi-Burza E, DiFranza JR

Other days, depression insists Im a fraud
