Bidirectional effect modification of greenness exposure and air pollution on ischemic stroke mortality across different temporal scales. - Zhang, Bingyin; Cao, Qiyong; Zhang, Qiongqi; Shen, Haohao; Zhang, Yang; Lu, Zilong; Guo, Xiaolei; Yu, Ying; Jia, Xianjie (BMC Public Health, 2025)