RT SR电子T1 CRP-guided期刊文章antibiotic treatment a safe way to reduce antibiotic use in severe hospitalised patients with exacerbations of COPD? JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1901405 DO 10.1183/13993003.01405-2019 VO 54 IS 4 A1 Miravitlles, Marc A1 Llor, Carl A1 Bjerrum, Lars A1 Sethi, Sanjay A1 Anzueto, Antonio YR 2019 UL //www.qdcxjkg.com/content/54/4/1901405.abstract AB