Divo MJ, DePietro MR, Horton JR, Maguire CA, et al. Metabolic and cardiorespiratory effects of decreasing lung hyperinflation with
budesonide/formoterol in COPD: a randomized, double-crossover,
placebo-controlled, multicenter trial. Respir Res 2020;21:26.
PMID: 31959167