1. Smoking in pregnancy: an ongoing challenge;Bauld;Nicotine Tob Res,2017
2. Prevalence and patterns of cigarette smoking before and during early and late pregnancy according to maternal characteristics: the first national data based on the 2003 birth certificate revision, United States, 2016;Kondracki;Reprod Health,2019
3. Changes in smoking rates among pregnant women and the general female population in Australia, Finland, Norway, and Sweden;Reitan;Nicotine Tob Res,2017
4. National, regional, and global prevalence of smoking during pregnancy in the general population: a systematic review and meta-analysis;Lange;Lancet Glob Health,2018
5. Smoking behavior of women before, during, and after pregnancy: indicators of smoking, quitting, and relapse;Scheffers-van Schayck;Eur Addict Res,2019