Heart disease remained the leading cause of death in the United States, followed by cancer, chronic lower respiratory diseases, stroke and accidental injury.
心脏病依然是美国人的头号死神，然后是癌症、慢性下呼吸道疾病、中风和意外受伤。
The nutritional status and plasma free amino acid (PFAA) of 17 patients with chronic obstructive pulmonary disease(COPD) were assessed with and without acute lower respiratory tract infection.
对17例并发急性下呼吸道感染的慢性用塞性肺病（COPD）患者进行了营养状态评定和血浆游离氨基酸测定。
Objective to evaluate the efficacy and safety of levofloxacin in the treatment of lower respiratory tract bacterial infection with acute exacerbation of chronic obstructive pulmonary disease (COPD).
目的评价左氧氟沙星(喹诺酮类抗菌药)治疗慢性阻塞性肺疾病(COPD)急性加重期病人下呼吸道细菌感染的有效性、安全性。
应用推荐