Quantitative assessment of allergenic risks from flying catkins in urban and rural environments: Pollens, bacteria, and heavy metals

• Guoqing YangInner Mongolia University of Technology
• Yaoqiang HuoInner Mongolia University of Technology
• Uudam HuInner Mongolia University of Technology
• Mingqi LiuInner Mongolia University of Technology
• Zhaofeng YangInner Mongolia University of Technology
• Wei LiuInner Mongolia University of Technology
• Jucai YangInner Mongolia University of Technology
• Di WuFudan University
• Jianguo LiuInner Mongolia University of Technology
• Qing LiFudan University