作者: Suzan L Carmichael , Indu B Ahluwalia , PRAMS Working Group1The PRAMS Working Group , Kathy Perham-Hester Alaska , Marilyn Leff Colorado
DOI: 10.1016/S0749-3797(00)00198-7
关键词:
摘要: Background: Using population-based data from the Pregnancy Risk Assessment Monitoring System (PRAMS), this study examines the prevalence and intensity of smoking before, …