%0 Journal Article %T Smoking prevalence among U.S. national samples of pregnant women %A Nighbor, Tyler D. %A Coleman, Sulamunn R.M. %A Bunn, Janice Y. %A Kurti, Allison N. %A Zvorsky, Ivori %A Orr, Eva J. %A Higgins, Stephen T. %D 2020 %R 10.1016/j.ypmed.2020.105994 %J Preventive Medicine %V 132 %I 105994 %2 ISSN: 0091-7435 %1 PMCID: PMC7024639