摘要
Objective To evaluate risk factors of hospital - acquired pneumonia in patients with neurosurgical diseases. Methods Totally 17 literatures from 2001 - 2009 were selected according to the criteria and assessed by Meta - analysis. The pools OR values of influencing factors
出处
《外科研究与新技术》
2011年第4期263-263,共1页
Surgical Research and New Technique