1. Month-wise estimates of tobacco smoking during pregnancy for the United States, 2002-2009;Alshaarawy;Maternnal Child Health Journal,2015
2. National Survey on Drug Use and Health: Methodological Summary and Definitions. Substance Abuse and Mental Health Services Administration;Center for Behavioral Health Statistics and Quality,2015
3. 2016 National Survey on Drug Use and Health: Methodological Resource Book (Section 13, Statistical Inference Report);Center for Behavioral Health Statistics and Quality,2018
4. Prevalence of selected maternal and child health indicators for all PRAMS sites;Centers for Disease Control and Prevention,2019
5. The epidemiology of smoking during pregnancy: smoking prevalence, maternal characteristics, and pregnancy outcomes;Cnattingius;Nicotine Tobacco Research,2004