The Elevation of the Mass Concentration Ratio of PM10 to PM1 in Printing Shop Was Associated With Small Airway Impairment. - Wang, Hongbo; Lyu, Lizhi; Xu, Yu; Wang, Shengyuan; He, Langzhi; Li, Zihui; Li, Chen; Bilige, Hasen; Wang, Yun; Jha, Poulami (Indoor Air, 2025)