Use of steroid in COPD patients and the risk of femur neck fracture; nested case-control studyHo Jeong Kim,In Won Park,Byoung Whui Choi,Jae Yeol Kim,Jong Wook Shin,Jae-Chol Choi,Jae Woo Jung,Sang Won Yoon, Gyung-Eui Lee, Hae-Gwang ShinEUROPEAN RESPIRATORY JOURNAL(2019)引用 0|浏览21暂无评分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