Long-term associations of PM1 versus PM2.5 and PM10 with asthma and asthma-related respiratory symptoms in the middle-aged and elderly population. - Zheng XY; Guo SJ; Hu JX; Meng RL; Xu YJ; Lv YH; Wang Y; Xiao N; Li C; Xu XJ; Zhao DJ; Zhou HY; et al. (ERJ open research, 2024)