RT Article T1 Smoking prevalence among U.S. national samples of pregnant women JF Preventive medicine VO 132 IS 105994 A1 Nighbor, Tyler D. A2 Higgins, Stephen T. A2 Orr, Eva J. A2 Zvorsky, Ivori A2 Kurti, Allison N. A2 Bunn, Janice Y. A2 Coleman, Sulamunn R.M. LA English YR 2020 UL https://krimdok.uni-tuebingen.de/Record/1912704986 DO 10.1016/j.ypmed.2020.105994