452例老年患者医院感染影响因素分析
劳剑辉, 黄纯英
Analysis of 452 Cases of Elderly Patients with Hospital Infection
Lao Jianhui, et al
广州医药 . 2015, (2): 76 -78 .  DOI: 10.3969/j.issn.1000-8535.2015.02.029