Logistic regression analyses of urinary cotinine levels of ≥ 50 and ≥ 30 ng/mL.
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Logistic regression analyses of urinary cotinine levels of ≥ 50 and ≥ 30 ng/mL.
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2018-06-11

Logistic regression analyses of urinary cotinine levels of ≥ 50 and ≥ 30 ng/mL.