This study reviewed the literature to determine the state of the science of COPD, anxiety, and depression, and to identify nursing implications derived from these findings.
这项研究回顾了文献以查明COPD、焦虑和抑郁的科学现状。并且，通过这些研究找到护理的影响。
2
Methods: After literature search and analysis, the authors introduced the decision body, classification and contents of international Grading Nursing system.
方法：通过文献检索和实证研究，从分级护理的决策主体、分类、内容等方面对国外分级护理进行介绍。
3
The current status and hotspots of the Chinese literature on evidence-based nursing from 2001 to 2005 are analyzed with unified linear regression analysis.