Blood monocyte levels predict the risk of acute exacerbations of chronic obstructive pulmonary disease: a retrospective case–control study. - Lin, Ching-Hsiung; Li, Yi-Rong; Lin, Pei Ru; Wang, Bing-Yen; Lin, Sheng-Hao; Huang, Kuo-Yang; Kor, Chew-Teng (Scientific Reports, 2022)