Blood neutrophil counts are associated with exacerbation frequency and mortality in COPD. - Lonergan, Mike; Dicker, Alison J.; Crichton, Megan L.; Keir, Holly R.; Van Dyke, Melissa K.; Mullerova, Hana; Miller, Bruce E.; Tal-Singer, Ruth; Chalmers, James D. (Respiratory Research, 2020)