Comparison of Continuous Versus Various Demand Oxygen Delivery Systems During Standardized Walking in COPD – a Single-Blinded, Randomized, Cross-over Study
EUROPEAN RESPIRATORY JOURNAL（2019）
关键词
COPD - management,Oxygen therapy
AI 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