1. Tong VT, Jones JR, Dietz PM, D’Angelo D, Bombard JM. Trends in smoking before, during, and after pregnancy—Pregnancy Risk Assessment Monitoring System (PRAMS), United States, 31 sites, 2000-2005. MMWR Surveill Summ. 2009;58:1–31.
2. Substance Abuse and Mental Health Services Administration. Behavioral Health Barometer: United States, 2014. HHS Publication No. SMA-15-4895. Rockville: Substance Abuse and Mental Health Services Administration; 2015. p. 4.
3. Votavova H, Dostalova MM, Fejglova K, Vasikova A, Krejcik Z, Pastorkova A, Tabashidze N, Topinka J, Veleminsky Jr M, Sram RJ, Brdicka R. Transcriptome alterations in maternal and fetal cells induced by tobacco smoke. Placenta. 2011;32(10):763–70.
4. Ortigosa S, Friguls B, Joya X, Martinez S, Mariñoso ML, Alameda F, Vall O, Garcia-Algar O. Feto-placental morphological effects of prenatal exposure to drugs of abuse. Reprod Toxicol. 2012;34(1):73–9.
5. Jaddoe VWV, Verburg BO, de Ridder MAJ, Hofman A, Mackenbach JP, Moll HA, Steegers EAP, Witteman JCM, et al. Maternal smoking and fetal growth characteristics in different periods of pregnancy. The generation R study. Am J Epidemiol. 2007;165:1207–15.