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pregnant women smoking cigarettes smokers: how many are there? | UK news Pregnant woman smoking a cigarette
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Participant selection, exposure definitions, and outcome measures To quantify smoking exposure among non-smoking children, NNAL (4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol) was selected as the outcome variable

A: There are regional and cultural differences in some water pipe design features

They found that Latino smokers had the lowest concentrations of cotinine and NNAL

He didnt dip his toe in with a mild cigar either