布地奈德联合噻托溴铵吸入治疗COPD的临床疗效观察及对气道炎性因子影响研究
포지내덕연합새탁추안흡입치료COPD적림상료효관찰급대기도염성인자영향연구
The observation of the effect of Pulmicort Respules combined with Tiotropium Bromide in the treatment of COPD and its influence on inflammatory cytokines