Β-Blockers Are Associated with a Reduction in COPD ExacerbationsSurya Bhatt,James Wells,Gregory Kinney,George Washko,Young-il Kim,William Bailey,John Hokanson,Edwin Silverman,James Crapo,Mark DransfieldEuropean Respiratory Journal(2014)引用 122|浏览56关键词COPD - exacerbations,Treatments,ExacerbationAI 理解论文溯源树样例生成溯源树,研究论文发展脉络Chat Paper正在生成论文摘要