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The top documents tagged [levels of cotinine]
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A Smokefree Multi-unit Housing Anecdote Jonathan P. Winickoff, MD, MPH Associate Professor in Pediatrics Harvard Medical School September 24, 2011
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Protecting Children from Thirdhand Smoke: Clinical and Policy Prescriptions Jonathan P. Winickoff, MD, MPH Associate Professor in Pediatrics Harvard Medical
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Impact of Tobacco Use. Effects of Tobacco Use at Various Life Stages
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