层级护理对肺癌患者PICC置管相关血流感染的影响
杨玉梅
Effects of level nursing on PICC-related bloodstream infections patients with lung cancer
YANG Yumei
中国临床护理 . 2015, (4): 289 -291 .  DOI: 10.3969/j.issn.1674-3768.2015.04.004