Association between air pollutants and neural tube defects during pregnancy in Lanzhou, China: a time series analysis. - Yang, Yan; Zhou, Li; Zhang, Wenling; Yang, Yanjun; Liu, Yanyan; Pan, Li; Huo, Yanbei; Wang, Ruijuan; Ba, Yupei; Ren, Xiaoyu; Bai, Yana; Cheng, Ning (Environmental Science & Pollution Research, 2023)