Associations of maternal exposure to 41 metals/metalloids during early pregnancy with the risk of spontaneous preterm birth: Does oxidative stress or DNA methylation play a crucial role? - Xu, Ruiwei; Meng, Xin; Pang, Yiming; An, Hang; Bin Wang; Zhang, Le; Ye, Rongwei; Ren, Aiguo; Li, Zhiwen; Gong, Jicheng (Environment International, 2022)