机译:Maternal Serum Antioxidants in Mid Pregnancy and Risk of Preterm Delivery and Small for Gestational Age Birth: Results from a Prospective Pregnancy Cohort
Michigan State Univ, Dept Epidemiol & Biostat, 909 Fee Rd, E Lansing, MI 48824 USA;
Michigan Dept Hlth & Human Serv, Lansing, MI USA;
Univ Pittsburgh, Dept Epidemiol, Pittsburgh, PA 15261 USAMichigan State Univ, Div Publ Hlth, Flint, MI USA;
pregnancy; antioxidant vitamins; carotenoids; preterm; birthweight;