Maternal smoking during pregnancy has been associated with an increased hazard of incident childhood asthma. We investigated the association between any second-hand smoke exposure in early life and childhood asthma development.
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Allergy Asthma Clin Immunol. 2012; 8(Suppl 1): A4.
Published online 2012 November 2. doi: 10.1186/1710-1492-8-S1-A4