Association between creatinine-adjusted
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Peter A. Fried; Sherry L. Perkins; Barbara Watkinson; Joel S. McCartney
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Article
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1995
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Elsevier Science
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English
β 618 KB
Objective: To examine the association between parents' report of their child's secondhand smoke exposure and various adjustments of cotinine concentrations in random urine samples. Methods: Urine cotinine and creatinine were measured in 109 six to 11-year-old children from predominantly upper middle