Pathogen type, antimicrobial resistance and risk factors for multidrug-resistant pathogens in patients with lower respiratory tract infections managed in the respiratory intensive care unit
Liu Ling, Zhao Hongqing*, Wang Xinhua, Xu Kun, Wang Xun
Journal of Tropical Diseases and Parasitology . 2015, (4): 215 -218 .  DOI: 10.3969/j.issn.1672-2302.2015.04.009