1. A Clinical Practice Guideline for Treating Tobacco Use and Dependence: 2008 Update
2. Systematic Review and Meta-Analyses of Perinatal Death and Maternal Exposure to Tobacco Smoke During Pregnancy
3. Office of the Surgeon GeneralHealth benefits of smoking cessation: a report of the Surgeon General1990Washington, DCUS Public Health Servicehttps://profiles.nlm.nih.gov/ps/access/NNBBCT.pdf
4. Centers for Disease Control and PreventionIndicator for whether mother smoked during the last three months of pregnancy2011PRAMstat System: Maternal Behavior/Health, Tobacco Use
https://nccd.cdc.gov/PRAMStat/rdPage.aspx?rdReport=DRH_PRAMS.ExploreByTopic&islClassId=CLA9&islTopicId=TOP27&go=GO