1. U.S. Department of Health and Human Services. The Health Consequences of Smoking—50 Years of Progress: A Report of the Surgeon General. Atlanta, GA: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health, 2014.
2. Infant Morbidity and Mortality Attributable to Prenatal Smoking in the U.S.
3. Smoking and Smoking Cessation in Pregnancy
4. Centers for Disease Control and Prevention. National Center for Health Statistics. VitalStats—Births: Risk Factors Online Interactive Tables. http://www.cdc.gov/nchs/vitalstats.htm (23 January 2015, date last accessed).
5. Non-pneumococcal mitis-group streptococci confound detection of pneumococcal capsular serotype-specific loci in upper respiratory tract