作者: F. Chiaffarino , F. Parazzini , G. Benzi , C. L. Vecchia , L. Chatenoud
DOI: 10.1136/BMJ.318.7189.1012
关键词:
摘要: EDITOR—Owen et al report that the prevalence of smoking in pregnancy and rates stopping did not change England between 1992 1995, remaining at around 25%.1They also reported is higher young women, unemployed manual workers. We analysed characteristics women who gave up or continued during Italy, using comparison group a case-control …