Maternal cigarette smoking and perinatal mortality.
D001724:Birth Weight; D005006:Ethnicity; D005260:Female; D005313:Fetal Death; D006801:Humans; D007226:Infant Mortality; D008431:Maternal-Fetal Exchange; D010298:Parity; D011247:Pregnancy; D012907:Smoking; D012959:Socioeconomic Factors; D006113:United Kingdom; D014481:United States