Tzani, AspasiaEconomopoulos, Konstantinos P.2014-08-132014Tzani, Aspasia, and Konstantinos P Economopoulos. 2014. “Maternal tobacco use during pregnancy and risk of congenital heart defects in offspring: a systematic review.” Tobacco Induced Diseases 12 (Suppl 1): A20. doi:10.1186/1617-9625-12-S1-A20. http://dx.doi.org/10.1186/1617-9625-12-S1-A20.2070-7266http://nrs.harvard.edu/urn-3:HUL.InstRepos:12717532en-USMaternal tobacco use during pregnancy and risk of congenital heart defects in offspring: a systematic reviewJournal Article2014-08-1310.1186/1617-9625-12-S1-A20