Association of ambient air pollutants with the risk of preterm birth in Xuhui District,Shanghai
WANG Fei,CHEN Ren-jie,WANG Xian,GU Hai-yan,KAN Hai-dong
journal1 . 2017, (10): 993 -997 .  DOI: 10.11852/zgetbjzz2017-25-10-06